At present there is no so-called white chaff rash get well fast method, patients are recommended to take general treatment, medication and other ways to improve. 1. General treatment: patients with pityriasis alba should pay attention to personal hygiene to prevent microbial infection, daily need to keep the affected area skin clean, but do not recommend the use of alkaline products too strong cleaning, pay attention to sunscreen, apply moisturizing skin care products. 2. Medication: It is recommended that patients use urea ointment, vitamin E cream and other drugs to help moisturize the skin and improve the dryness of the skin. If there is inflammation or redness of the skin, patients are advised to follow the doctor’s instructions to use topical tacrolimus, pimecrolimus and other calcium-modulated phosphatase inhibitors to help repair the lesions. There is no unique way to improve white chaff rash, and patients are advised to visit the hospital and cooperate with the doctor for standardized treatment.