During the period of menstruation, it is not to drink tea as much as possible. If you have the habit of drinking tea, it is recommended that you must not drink strong tea, which can induce or aggravate menstrual syndrome. Drinking tea during menstruation can also cause loss of appetite and constipation. Women are generally constipated during menstruation, the tannic acid in tea can slow intestinal peristalsis, will aggravate the phenomenon of constipation, but also easy to aggravate the loss of iron ions, combined with iron ions in food, the formation of precipitates, impede the absorption of iron molecules in the intestinal mucosa, the stronger the tea, the greater the impact, so try not to drink tea during menstruation. You should also pay attention to your diet, eat more fresh fruits and vegetables, and eat more foods that contain iron.