Obstructive sleep apnea(OSA) corresponds to the snoring syndrome in traditional Chinese medicine. Modern Chinese medicine believes that "phlegm stasis" is stagnation, "deficiency" can also become stagnation, "deficiency of phlegm stasis" is the key to lead to "stagnation" and impassability and unfavorable Qi, the implementation of the OSA course from beginning to end. The clinical prevention and treatment of OSA based on the theory of "eliminating phlegm and removing blood stasis, supplementing deficiency and strengthening right", combined with the academic thought of treating disease before its onset in the aspects of prevention before disease, prevention after disease transformation and prevention after recovery, can provide ideas and enlightenment for the prevention and treatment of OSA in different stages of disease.