It is relatively good for women to use mugwort or safflower to soak their feet during menstruation, because during menstruation it is mainly to maintain the fluidity of menstrual flow and improve the symptoms accompanying menstruation, the main manifestation of which is dysmenorrhea, or lumbar acidity, fear of cold and other manifestations. Most of the causes of dysmenorrhea are mainly due to cold clotting. After cold clotting and blood stasis, the stagnant blood clots block the uterus, cell veins and cell loops, and if they do not pass, the pain will occur. Others belong to liver depression, qi stagnation, blood stasis, or qi deficiency and blood stasis. Most of the causes of stasis formation are mainly cold, soaking feet can be used mugwort, which plays a role in warming the meridians and dispersing cold, and relieving pain, while safflower has the effect of activating blood circulation and removing stasis. In order to relieve pain or improve symptoms such as cold condensation and fear of cold during menstruation, soaking feet with mugwort or safflower can be used.