Constipation is a common clinical symptom rather than a disease, dominated by reduced frequency of bowel movements, usually once every 2~3 days or more (or <3 times a week), and may be accompanied by reduced stool volume, dry stool, and straining to defecate. In TCM treatment, laxatives are mostly cold medicines, such as rhubarb and mannitol, why? This is because the cold nature of the downward lead, in line with the nature of the stomach to pass down, which is the reason why Zhongjing treatment of stomach home real Yangming disease with Cheng Qi Tang. Cheng qi, or the descending qi of the stomach. Of course, there are a few warming and laxative herbs in Chinese herbal medicine, such as Cistanches and Croton. Most Chinese doctors like to use senna and rhubarb to laxative, if taken for a long time, there will be a great side effect, which is to cause intestinal black spot disease, this disease is very difficult to cure, long-term use of rhubarb, senna should be noted. The effect of laxatives is relatively good is aloe vera, such as the main ingredient in the laxative is aloe vera. The cassia seeds also have a certain laxative effect and can also remove intestinal grease. If the intestinal tract is hot and humid, you can add Amaranth. If stubborn constipation cannot be resolved clinically by these methods, 10g of senna leaf and 5g of smallpox powder can be added and taken in a decoction. Clinically, it can also be seen that the colon is too long and absorbs too much water, which often leads to constipation. In this case, it is recommended that the patient have part of the colon removed surgically for the constipation to be resolved. In addition, constipation and fluid problems are also discussed in warm diseases, that is, "increase water to move the boat", adding yin medicine to replenish water to move the boat to pass the stool, these drugs such as angelica, raw earth, xuan shen, maitong, and increase fluid Cheng qi Tang. But one thing should not be forgotten, the boat travels in the water, not only to have water, but also to have wind, relying on the wind to increase a propulsive force boat is easy to travel, the so-called propulsive force, is to increase the ability of the intestines to move on their own. And to increase the ability of the intestines to move on their own, is to supplement the intestinal gas, then how to supplement the intestinal gas? The spleen has to be supplemented through the spleen, replenishing the spleen I commonly use clinically in large doses of raw Atractylodes macrocephala (60~100g). Sometimes it is not enough to simply replenish the qi and liquid, but also to add a small amount of warm medicine, that is, the above-mentioned cistanches, angelica and other drugs. This is especially true for the treatment of constipation in the elderly. Acupuncture treatment is also very effective, and can be used clinically in such points as Zhigou, Tianshu, Daheng, Abdominal Knot, Hypogastrium, and Upper and Lower Juxu. In addition, in the process of conditioning, focus on adjusting lifestyle, developing the habit of regular bowel movement, balanced diet, increasing dietary fiber appropriately, drinking more water and exercising moderately. Laxation has a very important clinical significance in oncology, firstly, it is detoxification, secondly, it can dispel dampness, thirdly, it can relieve symptoms such as fever and pain, and fourthly, it can reduce the risk of life accidents in cardiovascular and cerebrovascular patients, therefore, clinical attention should be paid to laxative treatment to give a way out for evil.