In Chinese medicine the Spleen turns what you eat and drink into qi and blood, and sends the useful part upward to the rest of the body. It's paired with the Stomach, belongs to the Earth element, and opens into the mouth. When it's working well you digest easily, hold a steady weight, think clearly and feel steady on your feet. When it isn't, the first sign is usually tiredness that gets worse after meals rather than better.
A quick note on spelling. We capitalize Spleen when we mean the Chinese medicine system and use lowercase spleen for the anatomical organ. In this case the two barely overlap at all. The Chinese medicine Spleen does most of what a Western physiology textbook assigns to the pancreas and the digestive tract. The small organ under your left ribs is not really what's being described.
On this page. At a glance · What it does · The meridian · Common patterns · Herbs · Questions
At a glance
The Spleen is the yin organ of the Earth element, paired with the Stomach. Chinese medicine treats it as the source of what the old texts call postnatal qi, meaning everything your body builds after birth out of food and air, as opposed to what you inherited.
| Chinese name | 脾 (Pí) |
| Element | Earth |
| Yin or yang | Yin (zang) |
| Paired organ | Stomach (Wèi) |
| Season | Late summer |
| Color | Yellow |
| Climate | Dampness |
| Flavor | Sweet |
| Emotion | Overthinking and worrying. In balance, focused, useful thought. |
| Opens into | The mouth |
| Governs | The muscles and the four limbs |
| Shows in | The lips |
| Qi moves | Upward |
| Peak hours | 9 to 11 a.m. |
| Meridian | Foot Taiyin, 21 points (SP1 to SP21) |
What does the Spleen do?
It transforms food into qi and blood. This is the central job and everything else follows from it. The Spleen takes in what the Stomach has broken down, separates the usable part, and sends it upward to be made into qi and blood. Chinese medicine describes this as transformation and transportation. It is why fatigue, poor appetite and a pale complexion are read as one problem rather than three.
It sends the clear upward. Spleen qi is the one qi in the body that is supposed to rise. It carries nourishment up to the head and it holds organs and tissues in their proper position. When that lifting action weakens, the traditional picture is a bearing down heaviness rather than pain.
It controls the blood. The Spleen is described as keeping blood inside the vessels where it belongs. That is why easy bruising and heavy or prolonged menstruation are grouped with digestive weakness in this system, which looks strange from a Western angle and is entirely consistent from this one.
It governs the muscles and the four limbs. Flesh and limb strength come from what the Spleen makes. Heavy, tired arms and legs are a Spleen sign before they are a muscle sign.
It opens into the mouth and shows in the lips. Appetite, taste and the state of the lips are all read as Spleen information. A persistently sweet or sticky taste in the mouth is a classic damp sign.
It houses the yi. The yi is thought and concentration. Studying, chewing an idea over, and the kind of rumination that goes in circles are all Spleen activity. The traditional line is that overthinking damages the Spleen, and that a weak Spleen makes you more prone to overthinking.
And it dislikes damp. Of all twelve organs this is the one most easily bogged down. Cold, raw and heavy food, damp weather and irregular meals are the traditional culprits.
The Spleen meridian
The Spleen meridian is a yin channel with 21 points, second only to the Kidney among the yin channels, running from the big toe to the side of the chest. Like all yin channels it travels the inner, protected surfaces of the body.
It starts at SP1 (Yǐn Bái) on the inner corner of the big toenail and runs along the inner edge of the foot on the border between the pale and darker skin. It passes in front of the inner ankle bone and up the inside of the lower leg behind the shin bone, crossing in front of the Liver channel about 8 cun above the ankle bone, a little over halfway to the knee. From there it continues up the inner thigh into the abdomen.
Inside, it enters the Spleen and connects with the Stomach, then passes up through the diaphragm, alongside the esophagus, to the root of the tongue, where it spreads across the underside. A separate branch leaves the Stomach, crosses the diaphragm and runs into the Heart, which is where the twelve channel cycle carries on. The surface channel ends at SP21 (Dà Bāo) on the side of the chest, in the sixth intercostal space on the mid axillary line.
The pathway explains the symptom map. Heaviness in the legs, abdominal bloating, a thick or sticky feeling on the tongue, and a tight band under the ribs on the side all sit on one channel. In Chinese medicine that isn't a coincidence. It's the same system reporting in from different points along its length.
Where it falls in the organ clock
| Hours | Organ |
|---|---|
| 7 to 9 a.m. | Stomach |
| 9 to 11 a.m. | Spleen |
| 11 a.m. to 1 p.m. | Heart |
The Stomach and Spleen hold the morning between 7 and 11 a.m., which is the traditional argument for eating a real breakfast and eating it warm. The Spleen peaks from 9 to 11, and a heavy, foggy stretch in that window is read as a Spleen sign.
Common Spleen patterns
Chinese medicine works in patterns rather than diagnoses. A pattern is a practitioner's read on how a system is behaving overall. It isn't a medical diagnosis and it isn't something a product treats.
Five of the more commonly identified ones are below. There are others, including damp heat in the Spleen and Stomach, and Spleen and Kidney yang deficiency together.
| Pattern | Traditional picture | What's happening |
|---|---|---|
| Spleen qi deficiency | Tiredness that worsens after eating, bloating, loose stool, small appetite, heavy limbs, pale complexion | Not enough transforming power |
| Spleen yang deficiency | The above plus feeling cold, cold hands and feet, abdominal discomfort that eases with warmth and pressure | Deficiency that has gone cold |
| Spleen qi sinking | A bearing down heaviness in the lower abdomen, chronic loose stool, a sense of things not being held up | The upward lift has failed |
| Spleen not controlling blood | Easy bruising, heavy or prolonged menstruation, minor spotting under the skin | Blood is leaving the vessels |
| Damp encumbering the Spleen | Heaviness, foggy head, sticky mouth, nausea, thick tongue coating, no thirst | Damp has overwhelmed the system |
Spleen qi deficiency is the most commonly identified pattern in the whole system and the one that turns up most in modern practice. The telling detail is the timing. Ordinary tiredness improves after a meal. This one gets worse, because the act of digesting is itself the effort the system can't quite manage.
Damp is the Spleen's characteristic complication. A weak Spleen fails to move fluids, the fluids accumulate, and the accumulation weighs the Spleen down further. Chinese medicine treats that loop as the mechanism behind heaviness and foggy thinking, and it's why formulas in this group almost always pair something strengthening with something drying.
Herbs traditionally associated with the Spleen
Chinese herbal medicine describes each herb as entering certain channels. The ones below are traditionally described as entering the Spleen channel, grouped by their traditional action.
These are not recommendations for the patterns above. The sections are separate on purpose. Working out a pattern is a practitioner's job, and nothing here is meant to match a product to a symptom.
Traditionally used to build qi
| Product | Traditional description |
|---|---|
| Four Gentlemen (Si Jun Zi Tang) | The foundational qi formula and the base most other qi formulas are built on. Four herbs, first recorded in the Song dynasty Tai Ping Hui Min He Ji Ju Fang. |
| Ginseng and Astragalus (Bu Zhong Yi Qi Tang) | Li Dong-Yuan's formula from 1247. The classical description is raising qi that has sunk, which is the pattern that formula is named for. |
| Astragalus (Huang Qi) | Enters Spleen and Lung. One of the most used qi herbs in the materia medica. |
| White Atractylodes (Bai Zhu) | Enters Spleen and Stomach. Traditionally described as strengthening the Spleen and drying damp at the same time. |
Traditionally used to settle damp
| Product | Traditional description |
|---|---|
| Shen Ling Bai Zhu | Four Gentlemen with Chinese yam, lotus seed and others added. The traditional choice where damp sits alongside weakness. |
| Poria (Fu Ling) | Enters Heart, Spleen, Lung and Kidney. Described as draining damp without depleting anything, which is why it appears in so many formulas. |
| Citrus & Pinellia (Er Chen Tang) | Enters Lung, Spleen and Stomach. The classical base formula for phlegm and damp. |
Traditionally used as food
| Product | Traditional description |
|---|---|
| Chinese Yam (Shan Yao) | Enters Spleen, Lung and Kidney. A food grade herb, gentle enough for long term use, traditionally taken for the Spleen and the Lung together. |
| Ginseng & Longan (Gui Pi Tang) | Enters Spleen and Heart. Traditionally taken where thinking and worry have worn down the digestion and the sleep together. |
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Talk to a qualified Traditional Chinese Medicine practitioner or your physician before starting any herbal regimen.
Questions people ask
Is the Chinese medicine Spleen the same as the anatomical spleen? No, and this is the pair that overlaps least. The Chinese medicine Spleen describes the whole process of turning food into usable energy, closer to what a Western textbook would split between the pancreas and the small intestine. The organ a surgeon would remove is not really what the classical texts are talking about.
What is spleen qi deficiency? It's the traditional description of a Spleen that doesn't have enough capacity to do its transforming work. The usual picture is tiredness that gets worse after eating rather than better, bloating, loose stool, a small appetite and heavy limbs. It's a pattern, not a medical diagnosis, and a practitioner identifies it rather than a test.
Where does the Spleen meridian run? From the inner corner of the big toe, along the inner edge of the foot, in front of the inner ankle, up the inside of the leg and thigh into the abdomen, then internally to the Spleen, Stomach, diaphragm and root of the tongue, ending at SP21 on the side of the chest. Twenty-one points total.
Why does Chinese medicine say cold food harms the Spleen? The Spleen is described as needing warmth to do its work and as disliking damp. Cold, raw and heavy foods are traditionally understood to make that work harder. It is a description of digestive comfort, not a nutritional claim.
Which organ is paired with the Spleen? The Stomach. They're the yin and yang organs of the Earth element and share the same associations, which are late summer, yellow, dampness and the sweet flavor. The Stomach takes food in and sends it down. The Spleen transforms it and sends the useful part up.
What does it mean that the Spleen houses the yi? The yi is thought and concentration. Chinese medicine treats sustained study, worry and circular rumination as Spleen activity, and describes too much of it as wearing the Spleen down. The relationship runs both ways.