The hormone level in the body of menstruating women changes more, some of them may appear irritable, depressed and other bad mood, at this time it is recommended to drink less or no coffee to avoid caffeine to make the body discomfort. As coffee contains more caffeine, it can intensify the patient’s nervous tension and hinder the metabolism of sugar, which can easily cause edema, swelling and painful symptoms in the breast. If too much caffeine is consumed, it will also increase the consumption of B vitamins, which have a sedative effect on the central nervous system, and if lacking will cause menstrual discomfort, insomnia, anxiety, irritability and other undesirable symptoms. In addition, if you drink iced coffee during your period, it may lead to dysmenorrhea, low menstrual flow or even menopause. It is recommended that women eat a light diet during menstruation, eat more nutritious and easily digestible food, actively supplement protein, and drink more hot water or apply hot compresses with hot water bags to relieve abdominal pain, if there are symptoms. Pay attention to more rest, avoid heavy physical labor and strenuous exercise. Keep your vulva clean and hygienic, wash your vulva with warm water every day, and forbid bathing and sexual intercourse.