Before menstruation due to changes in hormone levels, may lead to facial acne, can be improved by focusing on cleaning, light diet, medication and other methods. 1. Focus on cleaning: before menstruation due to hormonal changes in the body leading to facial acne, this time you need to focus on facial cleaning, avoid heavy makeup leading to cosmetics, making the pores clogged and further aggravate the symptoms, with water or daily gentle cleansing milk cleanser, to keep the face clean and dry. 2. Light diet: avoid eating too much greasy, high sugar food, so as not to aggravate the symptoms of acne, appropriate consumption of fruits and vegetables. 3. Medication: If the acne on the front of the face before menstruation is obvious, under the guidance of the doctor to be topical adapalene gel, benzoyl peroxide gel and other drugs used externally. Drugs need to follow the doctor’s instructions for rational application.