百日咳综合征指的是一组临床上难与百日咳相区分的症候群，多发于小儿。采用常规的止咳化痰药，疗效并不理想。笔者审察内外，认为其病机系痰油恋肺，内阻息道，化热化火，刑金则咳，犯胃则呕，痰火胶结难出，则痉挛阵咳不已。治宜清肺化痰、解控镇咳，目拟三虫汤治疗，收效比 Pertussis syndrome refers to a group of clinically difficult to distinguish between pertussis syndrome, mainly in children. The use of conventional cough and phlegm drugs, the effect is not satisfactory. I examine both inside and outside, that the pathogenesis of sputum oil love the lungs, internal obstruction Road, heat of the fire, torture cough, stomach vomiting, phlegm fire cementation, the spasms of cough endless. Expelling Qingfei phlegm, antitussive cough, head three worm soup treatment, effective ratio