This paper summarized the clinical experience of Professor DING Yuanqing in the treatment of obstructive sleep apnea hypopnea syndrome （OSAHS） based on the theory of lung and stomach disharmony. It is believed that the disharmony of the lung and stomach is the key pathogenesis of OSASH， and the treatment should be regulating and harmonizing the lung and stomach， diffusing and promoting the flow of

qi

. The treatment should be performed according to the differentiated syndromes. It is proposed that for exuberant heat of

yangming

（阳明）， the method of clearing heat and draining fire， directing

qi

downward and removing turbidity should be used with

modified

Xiaochengqi Decoction and Xiexin Decoction

（小承气汤合泻心汤）. If there is dampness-heat obstructing the center， it is suggested to clear heat and drain dampness， harmonize the stomach and direct counterflow downward with modified

Yinchenhao Decoction

（茵陈蒿汤）. For binding of phlegm and stasis， it is suggested to activate blood circulation and remove stasis， resolve phlegm and direct counterflow downward， with modification of

Guizhi Fuling Pill and Banxia Houpu Decoction

（桂枝茯苓丸合半夏厚朴汤）. In terms of

qi

deficiency and phlegm obstruction syndrome， the method of supplementing the center and boosting

qi

， resolving phlegm and promoting diuresis can be used， and the modified

Fangji Huangqi Decoction and Houpu Shengjiang Banxia Gancao Renshen Decoction

（防己黄芪汤合厚朴生姜半夏甘草人参汤）. For

qi yin

depletion， it is suggested to boost

qi

and nourish

yin

with modified

Shenqi Dihuang Decoction

（参芪地黄汤）. Moreover， importance is attached to throat management by using medicinals with the function of soothing and promoting

qi

and blood， and unblocking the throat， such as Shegan （

Rhizoma Belamcandae

），

Beimu

（Bulbus Fritillariae） and vinegar prepared Biejia （

Carapax Trionycis

）. At the same time， it is emphasized that OSAHS is difficult to be cured but can be prevented， especially a healthy lifestyle is critical.