I. Intravenous drip (whitening injection) 1. Tranexamic acid 1g/100ml, 1 hour slow sedation (if the drip speed is too fast, it may cause headache). Avoid menstrual period (otherwise it may cause low menstrual flow), avoid fasting, occasional gastrointestinal side effects. 2.5％ glucose 250ml+glutathione 1.2g+vitamin C2.5. Once a day for 2 weeks, reduce to once a week after 2 weeks. Blood test, liver function, coagulation three times (once a month) are required. Contraindicated in patients with thrombotic tendency. Oral medication (can be used instead of whitening injection) 1.Tranexamic acid 250mg (half tablet), 2 times a day orally 2.Glutathione 3 tablets, 2 times a day orally 3.VC 1 capsule each time, 3 times a day. 4.VE 1 capsule each time, 2 times a day. Third, topical medication and skin care products: Morning: Transfluorescence acid essence / L-Vc + whitening gel + sunscreen Evening: Transfluorescence acid essence / L-Vc + whitening gel + hydroquinone cream Fourth, strong pulse light: advantages: comprehensive improvement, both to solve the pigmentation problem, but also to solve the inflammation problem, desensitization, repair, stimulation of skin thickening. Treatment effect does not rebound. Disadvantages: slow effect, requires rich clinical experience and high requirement for equipment. Suitable for epidermal type of melasma, especially for patients with skin sensitivity, erythema and dermatitis. 1 time in 1 month, about 5 times in total. Post-surgery with multiple growth factor mask (1 time per day) + hyaluronic acid extract (Hyaluronic acid extract) repair.