1. Diet: Patients should eat soft food with high calorie, high protein, high vitamin and light, quit smoking and alcohol, correct the wrong view that cancer patients cannot eat chicken, eggs, seafood and other foods, but should avoid eating fried, fried, spicy and hard stimulating foods, and ensure the daily nutritional requirements; the food temperature should not be too high; meanwhile, the straw should be prohibited to avoid bleeding from the wound due to negative pressure in the mouth. Check the mouth after eating to ensure no food residue. 2, eliminate communication barriers: use different communication methods, such as paper, pen, nod, bell to communicate with others, patients who can’t write, can be instructed to draw it, encourage patients not to worry about time when talking, and also instruct patients to use short phrases, teach some communication skills to patients’ relatives and friends. 3, oral cleaning and hygiene guidance: keep the oral cavity clean, correct observation of the cavity mucosa, master the method of self-examination of cervical lymph nodes, find enlargement immediately to seek medical advice; instruct patients to learn to be good at controlling bad emotions, appropriate exercise, improve physical fitness. Because oral and maxillofacial tumors are located in exposed parts and aesthetic center, they destroy the appearance after treatment, cause local dysfunction or absence, and cause serious harm to patients’ psychology. Therefore, it is necessary to make full health education to prepare patients’ mind and guide them to establish correct aesthetics from the positive side; to carry out appropriate make-up or modification to maintain self-esteem. 5, quit smoking and drinking habits to follow the doctor’s instructions to the hospital, so that the doctor can make the appropriate treatment; regular review, so that the doctor understands the changes in the condition and make the corresponding guidance; discomfort or problems found in a timely manner to the hospital, timely communication with doctors above the deputy high.