This paper summarized professor Zengs experience in treating chronic pharyngolaryngitis. For the treatment of chronic pharyngitis, according to its "yin and yang stroke knot, phlegm and gas knot", Professor Zeng applied "reconciliation agent" Xiaochaihu Decoction as the main prescription. Disease differentiation brought in pungent and cool-natured drugs which could nourish yin and benefit throat combined with drugs that soothe stasis and warm body, as well as sour and sweet drugs to converge. A case study was also provided.