The diet after craniotomy should mainly pay attention to the following aspects: first, to provide high-quality protein and high-calorie food, because craniotomy is a huge damage to the body, in a special period, the body needs a lot of energy, need protein, fat and sugar to supplement, specifically to food, it is best to give high protein, like lean meat, eggs and milk, can supplement high-quality protein, supplement energy. Second, the need to combine the patient’s state of consciousness, brain surgery craniotomy patients, part of the serious may be delirious, this may be 1-2 days after surgery to give a liquid or semi-liquid food, gradually transition to ordinary diet. When the patient’s state of consciousness is normal, he or she can be given a normal diet. At first, the patient should be given liquid food, mainly rice oil or nutritional meal given by the hospital’s nutrition department, similar to milk powder, which is washed with water and pumped into the stomach through the stomach tube. For patients who are not in a good state of consciousness or coma, if they are in a clear state of consciousness, they should be given a semi-liquid diet for 1-2 days after surgery, similar to egg soup, including porridge and other well-digested and easy to swallow food that does not require much chewing. Third, it is necessary to pay attention to whether the patient has a choking reaction to drinking water, and it is best to test the choking reflex before eating. If the choking reflex is not possible, the gastric tube needs to be retained. If you still eat without a choking reflex, you may eat into the trachea causing pneumonia or even death by asphyxiation. It is necessary to give low salt, low fat diet, diabetic diet, etc. in combination with the presence of hypertension and diabetes.