There are 100 patients who have menstruation postponed in this group. All the patients had detailed examination of gynecologic, they have no whole body or local organic disease. 43 cases belong to the type of cold blockage and qi stasis, 27 cases have liver stasis and qi stagnation, 13 cases have liver-kidney yin deficiency, 14 cases have qi-blood deficiency, 3 cases have phlegm-damp blockage. The ingredients of stagnation releasing and menstruation promotion decoction: Fructus Evodiae (Wuzhuyu)">Fructus Evodiae (Wuzhuyu) 6g, Radix Bupleuri (Chaihu) and Chuan Xiong 9g respectively, Dang Gui, Dan Shen, Yan Hu Suo, Radix Paeoniae Rubra (Chishaoyao) 12g, prepared Xiang Fu, Radix Achyranthis Bidentatae (Niuxi)15g respectively. Adjust the dosage according to the syndrome. Decoction taking method: according to the treatment or taking 3 days before menstruation. One decoction per day, stop taking when the menstruation is coming. Taking Wu Ji Bai Feng Pills or Liu Wei Di Huang Pills 3 days after menstruation for 20 days, this is one treatment course. The patient generally needs 2-3 courses. Result: the total effective rate is 93%.