The 7th National Conference on Sleep Respiratory Diseases of Chinese Medical Association, sponsored by the Sleep Respiratory Disorder Group of Chinese Medical Association Respiratory Diseases Branch and co-organized by the First Affiliated Hospital of Guangzhou Medical University and Guangzhou Respiratory Health Research Institute, was held in Guangzhou from October 15 to 17, 2021. More than 3,000 experts and scholars from all over the country engaged in sleep breathing disorder research participated in this conference in a combination of "online + offline" way. Zhong Nanshan, winner of the "Medal of the Republic" and academician of the Chinese Academy of Engineering, spoke at the opening ceremony, pointing out that the latest research in China shows that more than 300 million people have sleep disorders at present, and the resulting health problems must be paid full attention by the medical community; This conference has set up an authoritative academic exchange platform for scholars, hoping that the results of the conference will provide new ideas for the diagnosis and treatment of sleep disorders. Professor Qu Jieming, chairman of the Respiratory Disease Branch of Chinese Medical Association, put forward at the opening ceremony that the daily work of the sleep respiratory disorder group should meet the current clinical needs, and at the same time pay attention to the organic combination of clinical practice and scientific research, especially under the normalization of epidemic prevention and control, it is necessary to do a good job in the diagnosis and treatment mode of sleep respiratory disorders and the transformation of disease management. This conference conducted extensive and in-depth discussions around the cutting-edge and hot research topics in the field of sleep breathing disorders.