he Huoxue Analgesic Capsule(HAC) was used to treat 70 cases of headache. The efficacy wassignificant. The total effective rates were 92.9%.And HAC was more effective than that ofpropanthine broinide(P<0.05).It showed that in experunental study the pain threshold of mice wasraised in“Hot-plate”test(P<0.01)
and the torsover was reduced in“torsoversiOn test”induced bypotassium antimony tartrate(P<001).