Women during menstruation is recommended that it is best not to massage the back, to avoid causing excessive menstruation or prolonged periods, as well as endocrine disorders and other conditions affecting women’s health, for the following reasons: 1. Women’s bodies during menstruation due to endocrine influences on the body, the abdominal area capillaries are basically in an open state. If the massage back is easy to accelerate the blood circulation of the body, resulting in an increase in menstruation, some poorer women may also cause endocrine disorders in the body, resulting in prolonged periods, excessive blood loss in women, affecting women’s health. 2, during menstruation women’s pelvic area in a congested state, most will appear lumbar abdominal pain and other symptoms, if you do back massage will aggravate congestion, will also aggravate the lumbar abdominal 3, menstrual back massage prompted the body sweat pores open, is not conducive to warmth, but also easy to cause the body to cold.