Precautions before surgery: 1. Make sure the candidate is healthy and free of infectious diseases or inflammation before surgery, women should avoid menstruation, no makeup before surgery, men should quit smoking 1 week before surgery; 2. 2 weeks before rhinoplasty surgery, do not take drugs containing aspirin, because aspirin will make the coagulation function of platelets decrease; 3. 4.The candidate should fully communicate with the doctor according to their actual situation so that the doctor can personalize the sculpted nasal prosthesis; 5.The candidate should not have any bacterial lesions on the front of the surgery, such as folliculitis, boils, acne, acute ophthalmia, sinusitis, nasal vestibule boils, etc.; 6.The candidate should preferably take a shower the day before the surgery, and wash off the dirt and oil on the face with soap before going on the operating table on the day of the surgery to minimize the number of bacteria. The number of bacteria should be minimized, and nasal hair should be cut and nasal cavity cleaned before surgery. Post-operative precautions: 1. Take medication on time and follow the doctor’s instructions for regular check-ups; 2. Change the frozen bandage frequently within 24 hours after surgery to apply cold compresses to reduce bruising and swelling; 3. It is best not to wash the face for a few days after surgery, but use a towel dipped in wet to clean the face; 4. minimize activities, avoid exposure to the sun and violent impact; 6, to prevent infection, should follow medical advice and see if the use of antibiotics for 3 to 5 days; 7, diet to light, quit smoking and alcohol, stimulating food; 8, sleep with the head and back cushion to prevent compression of the external nose; 9, can eat vitamin B, vitamin C, propolis, help wound healing; 10, after rhinoplasty, it is appropriate to choose a liquid diet, should not drink carbonated Drinks, but should drink more fresh fruit juice and soup; 11, after surgery can wear contact lenses, 3 to 4 weeks before wearing frame glasses; 12, 1 month after surgery do not pick the nose, nostril itching can be wiped with a sterile cotton swab.