The Liver in Korean Medicine: Storing the Blood and Coursing the Qi
With the digestive tract complete, the organ series reaches the liver. In Korean Traditional Medicine (KTM), the traditional healing system of Korea also known as Hanbang (한방), the liver has two great functions that define it: it stores the blood (藏血), and it courses the Qi (疏泄). The first overlaps a good deal with what Western medicine sees in the liver; the second is a concept Western medicine does not have, abstract but real, and central to how the body keeps everything moving. The liver is also the organ KTM calls the general.
In Summary
- The liver stores the blood (藏血): it manages material metabolism (close to the Western view), and it regulates how much blood reaches each part of the body — holding blood in reserve and releasing it on demand, like a bank.
- The liver courses the Qi (疏泄): because a metabolic organ cannot only gather but must also send things on, the liver keeps the whole Qi dynamic flowing.
- Coursing shows up in five places: it frees the Qi dynamic, frees the emotions, drives bile secretion, supports the spleen-stomach’s digestion, and keeps the blood moving (so its failure brings blood stasis and, in women, menstrual disorders).
- Storing and coursing are a complementary, mutually checking pair — each restrains the excess of the other.
- When liver blood runs low and coursing runs unchecked, the result is ascendant yang stirring wind — like a fire that won’t go out for lack of water — bringing headache, dizziness, and cerebrovascular problems.
The Liver Stores the Blood
To say the liver stores the blood (藏血) carries several meanings. The first is that the liver governs material metabolism — close to the Western picture of the liver, including its handling of toxins. Keeping the blood “normal” means taking charge of the metabolism of toxic substances within it, so the KTM idea that the liver stores blood and the Western account of liver function point, in the end, at much the same work.
The second meaning is that the liver regulates the volume of blood reaching each part of the body. It holds blood in reserve and supplies it according to the activity and demand of each region. On the surface, sending blood out looks like the job of the heart and lung — but the liver, which holds the stored blood, has to release it through its coursing for that blood to reach the tissues at all. To regulate how much blood circulates, the liver must of course be able to store it: it is the body’s bank for blood, drawing it in and paying it out as the system requires.
The Liver Courses the Qi
Why does the liver have a coursing function at all? Because it is a metabolic organ, and an organ that only gathered would break the balance of yin and yang and be unable to do its own work of detoxification and metabolism. It needs to send the finished products of metabolism on to where they are needed. Coursing (疏泄) is invisible and has no equivalent in Western medicine, which makes it abstract — but it is a real and important part of how the body works. It shows itself in five ways:
- It frees the Qi dynamic. The “Qi dynamic” (氣機) is the whole movement of Qi; the liver’s coursing gives that movement direction, so that when coursing is normal, the metabolism and circulation of Qi and Blood run smoothly.
- It frees the emotions and thoughts. Mental activity consumes Qi and Blood; when coursing is normal, Qi and Blood are well delivered to the organs, so a sense of stifled frustration lifts and the mind stays clear.
- It drives bile. Bile is liver Qi taken on material form, moved to the gallbladder to be stored; good liver coursing means normal bile secretion.
- It supports digestion. The spleen-stomach’s work — the spleen raising the clear, the stomach sending the turbid down — proceeds normally only when the liver’s freeing of the Qi dynamic keeps the flow of Qi in order.
- It keeps the blood moving. When coursing fails, blood flow is affected, blood stagnates or halts, and blood stasis forms — affecting women’s menstruation in particular, with irregular periods, painful periods, and the like.
Storing and Coursing: A Checked Pair
The liver’s two functions complete each other and also hold each other in check. If coursing fails and only storing runs on — the liver merely gathering blood — then the blood outside the liver is depleted while the blood inside it stagnates; the reverse case is just as harmful. Coursing has an upward, rising nature, and when it threatens to overreach — as in anger or excessive drive — it is the blood stored in the liver that reins it in.
This is why an imbalance here has such recognizable consequences. When liver blood is deficient and coursing is left unchecked, the pattern called ascendant yang stirring wind develops — much like a fire that cannot be put out because there is too little water — and from it come headache, dizziness, and cerebrovascular disease. The liver and the kidney are the two organs whose workings are least visible to the eye and least like the Western account, which is exactly why they take the most explaining.
In Summary
The liver stores the blood and courses the Qi. As blood-storer it manages metabolism and acts as the body’s blood bank, releasing blood to the tissues on demand; as Qi-courser it directs the whole Qi dynamic, lifting the emotions, driving bile, supporting digestion, and keeping the blood in motion. The two are a balanced pair, and when blood runs low while coursing runs wild, yang rises and wind stirs — headache and dizziness following. The liver, the general, governs by keeping everything flowing. The organ series continues toward the kidney.
Related reading: The Liver as General · Blood in Korean Medicine
This article reflects the clinical observations and teaching practice of Professor Seungho Baek, Professor of Korean Medicine at Dongguk University College of Korean Medicine, specializing in Pathology and Oncology.
