Acne on the face of teenagers can be adjusted according to the severity of acne by adjusting the diet, ensuring good habits and the use of drugs and other methods to regulate. 1. Teenagers with acne may be triggered by excessive secretion of sebaceous glands, abnormal keratinization of cells around hair follicles, or excessive mental stress, etc. If it is not particularly serious and the number of acne is relatively small, you need to adjust your daily diet first. If it is not particularly serious and the number of pimples is relatively small, first of all, you need to adjust your daily diet, try to eat less high-sugar diet and dairy products, such as whole milk, French fries and so on. At the same time, you should also eat less barbecue, hot pot and chili peppers and other foods. 2. Need to develop good habits, avoid staying up late, irregular life led to the aggravation of acne symptoms. When washing your face, you can use water or suitable cleansing products to keep your skin clean. 3. If the face acne is more serious, you can follow the doctor’s instructions to apply local Vitamin A acid ointment, benzoyl peroxide, azelaic acid, oral erythromycin, clindamycin, and isotretinoin soft capsule and other medication if necessary. It is recommended that the patient to the hospital dermatology consultation, under the guidance of the doctor to use the relevant drugs, do not self-medication, in order to avoid adverse reactions.