半夏辛温通散,质润沉降,功擅化痰燥湿,降逆散结,开郁行滞,更有止痛镇静之效。对于寒凝、痰结、饮停、湿滞、积聚、气郁、血瘀、毒结等所致之疼痛,均可以半夏治之,且重剂应用疗效尤著,但其止痛之功,却多为人所忽视。本文从证治经验、药效、药理方面说明半夏的止痛作用和重剂半夏治疗痛证的显著疗效。 Pinellia Xin Wen Tong, the quality of sedimentation, work good phlegm dampness, descending anti-Sanjie, open Yu stagnation, more analgesic sedation effect. Pinellia, sputum knot, drink stop, wet stagnation, accumulation, qi stagnation, blood stasis, poison knot caused by pain, can be treated Pinellia, and heavy dose of curative effect especially, but its painkillers, but Mostly ignored. This article from the experience of governance, pharmacodynamics, pharmacological aspects of Pinellia analgesic effect and heavy dose of Pinellia treatment of painful symptoms of significant effect.