During menstruation, it is recommended to rest and recuperate, and fitness is not recommended, because the intensity of fitness is high, and forcible strenuous exercise at this time can easily lead to reflux of uterine blood, resulting in endometriosis, increased uterine bleeding, and even hemorrhage. But this does not mean that women can not do any sports during menstruation, in the physiological period as long as there is no serious dysmenorrhea, heavy menstruation, the occurrence of uterine blood, women can be appropriate walking, jogging, tai chi, etc. These relatively mild exercise can not only promote circulation, reduce menstrual discomfort symptoms, but also improve the functional state of the body, reduce congestion of reproductive organs. But also pay close attention to the symptoms of discomfort during exercise, once the increase in menstrual flow, dizziness, lower abdominal pain in time to stop and rest.