In this paper,the effectiveness of puncturing Hegu(L. I. 4)at both sides for relieving the pain in throat after tonsillectomy was investigated among 61 hospitalized cases, for them two groups were randomly distributed and one group was given acupuncture 1. 0-1. 5hrs. postoperatively and the other received placebo only. The results showed that the effect of relieving pain in throat was of signifficance (P