Abstract:Objective:To observe the clinical curative effects of diammonium glycyrrhizinate injection,a preparation of traditional Chinese medicine,combined with western medicine on epidemic encephalitis B.Methods:62 cases with epidemic encephalitis B were randomly divided into two groups.In the treatment group (n=32) diammonium gliycyrrhizinate injection 0.8 ml?kg-1?d-1 add 10% glucose 250 ml infused intravenously were administered for 57 days,meantime in control group (n=30) the conventional therapy was used.Results:The total effective rate was 96.8% in treatment group but 70.0% in control group.In comparison between two groups the difference was significant (P<0.05) and in aspect of relieving symptoms the treatment group was significantly superior to control group (P<0.01).There was not obvious side effect to be found.Conclusions:The diammonium glycyrrhizinate injection is able to increase cured and improved rates of encephalitis B.