This is the longevity and health of the world. Among the 23,000 people in Laobagang, there are 4 centenarians, accounting for 1.73/ 10,000, while the main index of Changshou Town determined by the United Nations is 0.75/ 10,000, and the standard of Changshou Town determined by China is 0.3/ 10,000. In addition, there are 62 elderly people over 90 years old and 684 elderly people over 80 years old in Laobagang. The average life expectancy of Laobagang is 75.5 years, while the World Health Organization considers the longevity countries over 70 years old as longevity countries, while the average life expectancy of developing countries is only 63 years old.