Oily skin is caused by excessive secretion of sebaceous glands, and if the skin is dehydrated, it can lead to compensatory oily skin. Excessive sebaceous gland secretion is related to endocrine disorders. If acne is serious, it is recommended to use fusidic acid ointment in the daytime and Vitamin A cream at night. Avoid spicy and stimulating food, eat less fried and greasy food, and eat more fresh fruits and vegetables. Avoid topical cosmetics, avoid sunlight and ultraviolet radiation leading to blockage of follicular pores. Wash your skin with lukewarm water every day to keep your skin clean, and pay attention to skin moisturizing and hydration, or else it will be easy to grow acne and lead to skin inflammation. Also to ensure adequate sleep, every day to ensure eight, nine hours, avoid staying up late, but also to ensure that the mood is comfortable, generally after the adolescent development period is much better.