To investigate the effect of Tianma Niuxi capsule in treating hemifacial spasm. Methods:With the laws of “calming liver and stopping endogenous wind, promoting blood circulation and removing blood stasis, eliminating phlegm and freeing channels, tonifying the liver and kidney”, 61 patients were treated with Tianma niuxi capsule. one month for a course of treatment. The curative effect and side effects were observed. Results:After 1~12 courses of treatment, 33 cases(54.1%) were cured, 23 cases(37.7%) were improved, 5 cases(8.2%) failed. The total effective rate was 91.8%. Conclusion:The Tianma Niuxi capsule can obviously cure the Hemifacial Spasm patients and also can reduce the side effects, so it is worth to use in clinical application.