Coffee should not be drunk during menstruation. Coffee will lead to an increase in estrogen in women's bodies, and those who have certain gynecological diseases may be aggravated as a result, such as endometriosis, breast distension, and so on, and in serious cases, it may still lead to infertility. Drinking coffee during menstruation will lead to a rise in estrogen levels, affecting the number of eggs in the ovaries, contributing to the aging of the ovaries, and also promoting the aging of some other functions. Moreover, it contains a large amount of caffeine, which can stimulate the nerves and cardiovascular system, leading to menstrual cramps, prolonged periods and excessive menstruation, so it is best not to drink coffee during menstruation. In addition, the things you can't eat during menstruation are: 1, cold and raw: it is what Chinese medicine calls cold food, such as pear, water chestnut, banana, stone flower, stone ear, ground ear and so on. These foods are mostly heat detoxification, nourishing yin and fire medicine, can be eaten in normal times, but in the menstrual period should try to avoid eating these, otherwise it is easy to catch a cold, resulting in menstrual cramps, menstrual disorders and so on. 2, spicy: such as cinnamon, cloves, pepper, pepper and so on. This kind of food is a very good spice, put in the usual meal, can make the meal more tender and delicious. However, menstruation needs to prohibit these spicy and stimulating foods, otherwise it is easy to have dysmenorrhea and excessive menstrual symptoms. 3, affect the sexual function of food: rhododendron, winter melon, black fungus, wild rice, kale, rabbit, ferns, cannabis nut. In addition to other fruits or can eat, want to drink coffee mm will have to endure two days, in order to health, this is no way ah.