Physiological period refers to women’s menstrual period, women’s menstrual acne may be due to diet and (or) irregular work and rest, hormone disorders, drugs and environmental factors. 1. Irregular diet, work and rest: during the menstrual period, if women often eat some spicy and stimulating food, or often stay up late, lack of sleep and other factors can cause increased oil secretion, endocrine disorders, which will lead to acne during menstruation. 2. Hormone disorders in the body: women during menstruation estrogen levels decline, androgen levels are relatively high, which can cause changes in the body’s endocrine metabolism, and thus the situation of acne. 3. Drugs: If women take specific drugs before or after menstruation, it can induce drug acne or aggravate acne during menstruation. 4. Environmental factors: For example, if a woman is in a hot and humid environment for a long time during her menstrual period, it can also trigger acne. There may be other reasons for acne during menstruation, so please consult the hospital in time for active treatment. The appearance of long acne do not squeeze, so as not to cause local infection, you need to be under the guidance of a physician to correctly carry out the treatment, they can not randomly use drugs.