The following reasons for acne on the face during menstruation: 1, may be due to female endocrine disorders, sebaceous secretion and acne on the face; 2, usually not pay attention to the diet and caused by the fire caused by acne on the face; 3, bad habits such as often stay up late or uncomfortable mood, etc. will appear acne on the face. If a woman has irregular menstruation or heavy body hair, it is recommended to have a hormone level check to understand whether acne is caused by high androgens in the body, and endocrine adjustment treatment should be given according to the test results. If you have been staying up late for a long time, have irregular living hours or eat spicy and stimulating food, you should pay attention to adjusting your working hours and eating habits to improve them.