Drinking motherwort is useful for treating irregular menstruation, dysmenorrhea and menstrual cramps. If you need to use the drug motherwort, you need to be guided by a Chinese doctor to identify the evidence, you can not take the drug on their own, so as not to cause adverse consequences to the body. Motherwort, bitter, pungent, slightly cold in nature, the efficacy of the blood can regulate menstruation, diuretic swelling, clearing away heat and detoxification. It can be used to treat oedema, sores, swelling and poison, and also has a therapeutic effect on the discharge. If blood stasis is accompanied by qi stagnation, motherwort can be combined with angelica, chuanxiong and muxiang to promote blood circulation; if blood stasis is accompanied by qi and blood deficiency, then it can be used with Bazhen Tang; motherwort can be used alone to treat oedema or with diuretics such as bupleurum and zephyr; if there is also heat in the blood, it can be used in conjunction with psyllium, shihwei and moutong to clear away heat and clear away drenching. It should be noted that pregnant women should not use motherwort.