In the rehabilitation of cancer patients, the principle of diet is to give auxiliary nutritional therapy to malnourished patients and increase dietary nutrition appropriately. Contraindications are mainly to avoid spicy, stimulating and greasy food. 1. Recommendations: Cancer patients can eat more food rich in vitamins, can eat more fresh vegetables and fruits, so as to supplement the body vitamins, such as carrots and foods rich in vitamin E can regulate the physiological function of the human body, promote the body’s metabolism. 2. Avoid: Cancer patients are advised not to eat spicy, stimulating and greasy food during the recovery period, if patients consume too much of these foods during the recovery period, it will cause indigestion, which will have a certain impact on the gastrointestinal function, and is not conducive to the recovery of the body. Some of the above foods, such as pickled products, may also have carcinogens, which may lead to recurrence of the disease. Cancer patients should rationalize their diet during their recovery, you can consult your own attending doctor for details, so as not to affect your recovery.