Before menstruation will be big popping pimples mainly because of changes in hormone levels in the body, this time into the late corpus luteum, soon began to have endometrial shedding to form menstruation, this time androgen secretion is relatively more, so there will be pimples on the face, especially for the face of the oil secretion of the skin, the acne of the area and the number of acne will be more. So this time to pay more attention to personal hygiene, wash your face with water every day, try to minimize the use of alkaline or acidic cleanser and other supplies, in order to prevent aggravation of the occurrence of acne, but also pay attention to warmth, avoid staying up late, pay attention to dietary regimen, do not eat spicy and stimulating foods, to reduce the potato chips, fried chicken, barbecue, spicy hot pot, chicken soup, beef soup and other greasy food intake.