Normally, milk consumption does not cause constipation. If constipation occurs after drinking milk, it is mainly considered to be related to excessive consumption, and can be dealt with through general treatment, medication such as domperidone and polyethylene glycol, and other treatments. 1. General treatment: Excessive consumption of milk will aggravate the burden on the stomach and intestines, triggering gastrointestinal dysfunction, which will lead to the symptoms of constipation. In this case, we should correct the bad dietary habits, drink milk in moderation, and take a light diet. Patients should also maintain good living habits, regular work and rest, active participation in physical exercise, maintain a good state of mind, can help improve the condition. 2. Drug treatment: patients can apply domperidone, polyethylene glycol, keserol and other gastric power and laxative under the guidance of the doctor for treatment. 3. Other treatments: such as clean enemas can also be used to treat this disease. Often the symptoms of constipation after drinking milk, the causes are relatively complex, it is recommended to seek medical examination as soon as possible, and under the guidance of the doctor for treatment.