Objective: To observe the effect of Huomai powder on thromboangiitis obliterans. Method: Ninety subjects who suffered from thromboangiitis obliterans with syndrome of blood stasis were divided into three groups:treatment group(30 cases)

given routine treatment of western medicine and Huomai powder;control group 1(30 cases)

given Routine treatment of western medicine and Xuefu Zhuyu capsule;control group 2 (30 cases)

given routine treatment of western medicine. Result: In the clinical efficacy

the treatment group was better than the control group(P<0.05). The treatment group before and after treatment with ABI

FIB had significant difference(P<0.05). Conclusion: The treatment group was more effective than control group. Huomai powder was effective in treating thromboangiitis obliterans with syndrome of blood stasis.