Foot soak during menstruation is possible, the time should not be too long, control in about 10 minutes, the temperature should not be too high, about 38-40 ℃ is good. Foot soak can promote blood circulation, improve menstrual pain symptoms, facilitate the discharge of menstrual blood, eliminate fatigue and provide sleep quality. Too long may cause an increase in menstrual blood and prolong the duration, too high a temperature may cause burns, and the possibility of infection increases with low resistance during menstruation. Wipe clean with a dry towel in time after soaking feet, pay attention to keep warm and do not get cold, so as not to cause a cold. Drink warm water in moderation after foot soaking to avoid sweating leading to lack of body fluids. Women with dysmenorrhea can add mugwort, pepper, ginger in the foot soak water appropriately, with the effect of activating blood circulation and removing blood stasis, especially women with low menstrual flow, the specific situation is different for each person, according to personal choice.