一般认为，长时间应用辣椒素（capsaisin）后，对单次辣椒素和其它刺激，机体可出现脱敏（desensitization），但对多次辣椒素和其它刺激，脱敏持续时间将如何变化呢？本文观察了这一现象。试验在37位健康志愿者（男19位，女18位）上进行。试验分三组。在第一组试验中，测试受 It is generally believed that after prolonged administration of capsaisin, the body may desensitize with a single capsaicin and other stimuli, but how long will the desensitization duration vary with multiple capsaicins and other stimuli? This article observes this phenomenon. The experiment was conducted on 37 healthy volunteers (19 males and 18 females). The test is divided into three groups. In the first set of tests, the test was conducted