On April 2, 2022, Beijing Satellite TV Yangshengtang gargled with normal saline. According to relevant public information, Beijing Satellite TV Yangshengtang gargled with normal saline on April 2, 2022. The program of Yangshengtang adopts the way of studio interviews and feature films, with the aim of spreading the way of health preservation and teaching the skills of health preservation, adhering to the traditional medical theory and according to the guiding ideology of China's traditional health preservation theory, systematically introduces the traditional health preservation culture in China, and at the same time introduces the practical health preservation methods.