1. Purpose: The purpose of national fitness is to improve the national physique and health level, focusing on teenagers and children, and advocating that the whole people participate in physical fitness activities more than once a day, learn more than two fitness methods, and conduct a physical fitness test once a year.

2. Significance: The significance of national fitness lies in comprehensively improving people's physical fitness, which is of great significance for improving people's physical fitness, regulating physical and mental health, improving interpersonal relationships and building a harmonious socialist society.