| Yan Tong Ning Cream, made from lilac et, has the function of relieving inflammation and pain and killing bacteria and stopping itching. It is applicable for chronic eczema. ID the experiment, Yan Tong Ning Cream is studied on its main pharmacodynainics. The results show: (1) Yan Tong Ning Cream can notably supress the acute auricular swelling in small mice caused by dimethylbenzene, especially in the middle-dose groups (P<0.O1), as well as in the high and low-dose groups (P |