Cindium Seed Powder recorded in Jinggui Yaolue book was a warm bath formula of vaginal disease. Yong-Lei-Fang provided steaming-wash of cnidium Seed de4coction to treat intractably painful swelling hemorrhoids. And described in Orthodox Manual of External Medicine, Cnidium Seed Decoction could treat disease pattern of wind-dryness swelling hemorrhoids. The present study the effects of Cnidium Seed decoction cooking and steaming-wash to treat incarceration of acute prolapsed internal hemorrhoids, thromboses external hemorrhoids as well as inflammatory external hemorrhoids were observed. One hundred eighty-gight patients were enrolled and randomly divided into control and treat group for two course therapy. The treat group received Cnidium Seed decoction steaming-wash and minor analgesics and laxatives. The control group was treated with warm water, minor analgesics, laxatives and topical steroid cream. The result demonstrated the type of thromboses external hemorrhoids had a significant effect.