1, Wang Liuxing generally does not soak in water, but decocts, if there is no blood stasis amenorrhea, dysmenorrhea and dystocia; Postpartum milk retention, breast abscess swelling and pain; Hot bath, blood rain, stone rain these symptoms. It is best not to eat, let alone eat for a long time.

2. Because Vaccaria seed enters the liver and circulates blood, it has the function of promoting blood circulation and removing blood stasis, and its nature is "moving but not keeping", which is used to treat amenorrhea and abdominal pain caused by stagnation of liver qi and irregular chong and Ren. It is often combined with herbs such as Bupleurum, Yujin, Cyperus rotundus and Chuanxiong to regulate qi and remove blood stasis, so it is forbidden for pregnant women to keep cowseed.

3. At the same time, if patients who are allergic to traditional Chinese medicine take it, it will cause obvious edematous dermatitis on the face, eyes and hands under sunlight.