土三七为菊科多年生草本植物(学名 Gynurasegetum Merr.),药用根叶,7～10月采集。性平味淡微涩。能活血化瘀,消肿止痛。几年来,我们用单味土三七来止血,治疗月经不调及外伤,均获良效。病例介绍:(1)霍××,女,46岁。患功能性子宫出血,连续三周出血不止,经医院治疗不见效果。后采用土三七一两,加水500毫升,煎后加红糖适量。日服三次,连服四天,血止病愈。(2)李××,女,21岁。患月经不调一年。用土 Thirty-seven is a perennial herb of the Compositae (scientific name Gynurasegetum Merr.), medicinal root leaves, collected from July to October. Slightly light and slightly astringent. It can promote blood circulation, reduce swelling and relieve pain. Over the past few years, we have used monosodium glutamate to stop bleeding, treatment of irregular menstruation and trauma, have received good results. Case presentation: (1) Huo X, female, 46 years old. Suffering from functional uterine bleeding, bleeding continued for three consecutive weeks, and no treatment was seen in the hospital. After the use of soil 371, add 500 ml of water, add brown sugar after frying. Take three times a day, even for four days, the blood will be cured. (2) Li X, female, 21 years old. Suffering from irregular menstruation for one year. Soil