Drinking milk can not treat constipation, constipation can be treated with lactulose and hemp nut lozenges. Milk is richer in nutrients and has the effect of protecting the mucous membrane of the digestive system. Some people have relatively little lactase in their intestinal system, and drinking milk can lead to lactose intolerance causing diarrhea, which has an improving effect on constipation. Milk contains large molecules of protein, which is more difficult to digest, and the intestinal system will consume a lot of water in the body in the process of digesting large molecules of protein. Some people will aggravate constipation after drinking milk. People with constipation can eat more dietary fiber-rich foods in their diet, such as apples, celery, leeks, and if necessary, use medication. Lactulose can stimulate colon peristalsis, can retain water in the intestines, and can relieve constipation. Ma Ren Ruan Yin Wan has the effect of laxative, especially for constipation caused by the intestine has a good improvement effect, because the drug is a proprietary Chinese medicine, the side effects on the human body is relatively small.