Weight loss constipation is usually associated with a large amount of lack of water, abuse of diet pills, irrational diet, remove the causative factors, general treatment, medication to alleviate the way. 1. A large lack of water: some people in the weight loss will choose the way of strenuous exercise, such as jumping rope, swimming, etc., these sports sweat too much, such as can not replenish water in a timely manner, when the lack of water is serious, it will cause constipation, it is not easy to discharge. It is recommended to drink more water to ensure adequate water. 2. Abuse of diet pills: some people may lose weight by taking diet pills orally, this method has no scientific basis, and it is easy to damage the intestinal flora, causing constipation. It is recommended to stop using diet pills as soon as possible, and follow the doctor’s instructions to take bifidobacteria and other probiotics to regulate the intestinal flora, and if necessary, you can use corkscrew, lactulose and so on. 3. Unreasonable diet: such as during weight loss, do not pay attention to a reasonable diet, or excessive dieting, can also cause constipation, so weight loss can not be excessive dieting, and at the same time to ensure that the diet is balanced, especially should increase the intake of dietary fiber-rich fruits and vegetables, such as bananas, leeks and so on. The above drugs should be used under the guidance of a professional physician. Constipation after weight loss is recommended to regulate the diet, if the symptoms are not relieved by the general treatment need to consult a doctor in a timely manner, under the guidance of a medical professional as soon as possible.