Gastrointestinal bleeding is generally referred to as gastrointestinal bleeding, gastrointestinal bleeding can drink milk depends on the cause of bleeding and the amount of bleeding. The upper gastrointestinal bleeding caused by erosive gastritis and the amount of bleeding can be appropriate to drink milk, but if the bleeding caused by ulcerative colitis is not recommended to drink. When the amount of upper gastrointestinal bleeding needs to be fasted, given parenteral nutritional support, at this time can not drink milk, drinking milk will increase the burden on the gastrointestinal tract, is not conducive to the recovery of the condition. Celiac gastritis causes upper gastrointestinal bleeding and bleeding can be appropriate to drink milk, milk can play the role of neutralizing gastric acid, protect the gastric mucosa, but milk in the digestive tract will produce gas, should not be drunk in large quantities. If it is ulcerative colitis caused by intestinal bleeding in the active phase of the disease, it is not recommended to drink milk, because milk is not easy to be digested, absorbed, but also may aggravate the symptoms of diarrhea. Patients with gastrointestinal bleeding who are not sure if they can drink milk can go to the hospital, consult a professional doctor, and cooperate with the doctor to actively treat.