Women with menstruation are not allowed to cupping, cupping has the effect of activating blood and removing blood stasis. However, during menstruation a woman’s body is weak and the endometrium is shedding, thus creating a blood flow out of the body. Cupping can accelerate the flow of blood in the patient’s body, which may increase menstrual bleeding or cause abnormal symptoms such as irregular menstruation. Cupping during this period may also lead to endocrine disorders, which may result in prolonged menstruation and other symptoms that are detrimental to the body. The greater pressure during cupping also attracts blood vessels and nerves in the body, which eventually leads to vasodilation, so it is also extremely unfavorable for patients during menstruation. In some cases, cupping during menstruation may also cause hypotension and even shock, among other conditions. To sum up, women should not cupping during menstruation.