It depends on the doctor and hospital you choose. No region has different economic conditions and prices. Under normal circumstances, around 4000 will do. Ensure that the surgical site is clean and prevent the surgical site from getting wet within 7 days after operation; Apply erythromycin eye ointment to the incision with a sterile cotton swab once a day, and wear sunglasses when going out to avoid sunlight to stimulate the wound and prevent scar hyperplasia. Patients with wide canthus use antibiotic eye drops several times a day. When there is secretion in the canthus, gently wipe it off with sterile cotton swab.