引言近年来激光已广泛应用于医学领域作为诊断和治疗。激光穴位麻醉已获成功

这就向人们提出了很多问题:激光穴位是否具有镇痛作用?激光穴位镇痛是否具有后效应?激光穴位镇痛是局部的还是全身性的?激光Experiments were carried out according to the Latin square design with the aim to study the efficacy and characteristics of pain perception in man before and after laser anlagesia. The results indicate that man displays a tangible analgesic effect after laser analgesia and this anagesic effect tafer laser analgesia and this analgesic effect is a general physical effect with an after effect. The experimental results are somewhat similar to those of acupuncture analgesia

showing a significant individual variance. Laser analgesia however does not bring about a needling sensation; In laser anelgesia suggestion plays a moderate role

not a dominant one.