Pituitary tumor surgery includes transnasal butterfly microsurgery and transfrontal craniotomy. Generally, the postoperative diet should follow the doctor’s instructions, pay attention to a light diet, balanced nutrition, and try to avoid eating spicy and irritating foods, etc. After pituitary tumor surgery, you should have a light diet, and it is recommended to eat more foods rich in protein and vitamins as appropriate, such as fish, lean meat, eggs, apples, kiwis and other foods to replenish the body’s nutrients. At the same time, it is necessary to minimize the consumption of spicy, stimulating and greasy food, and control the intake of fat and salt, in order to reduce the burden on the stomach, intestines and kidneys, and promote the recovery of the body. Specific dietary contraindications after pituitary tumor surgery suggest that patients consult their doctors and choose the appropriate dietary regimen under the doctor’s guidance.