You should not drink coffee during menstruation, because coffee during menstruation tends to stimulate blood vessels, which will accelerate blood circulation and easily cause increased menstrual flow and prolonged periods. Coffee contains caffeine, which can easily stimulate the central nervous system causing mental anxiety, excessive tension, etc. It can easily affect the mood and lead to poor sleep quality, and poor sleep quality during menstruation can easily aggravate low resistance. Drinking coffee during menstruation also affects the metabolism of carbohydrates in the body, which has an adverse effect on the body. Coffee has an effect on the body’s estrogen and progesterone, which can easily cause gynecological inflammation and other conditions. Therefore, in order to menstrual safety is not recommended to drink coffee, also can not eat spicy, stimulating food, not to eat cold food, easy to cause increased or reduced menstrual volume, but also easy to cause dysmenorrhea and other conditions, during the period pay attention to abdominal warmth.