Rugao City, Jiangsu Province (a county-level city under the jurisdiction of Nantong City) on the jianghai plain on the north bank of the Yangtze River is a new longevity county with a total population of 65,438 0.45 million and a centenarian of 65,438 0.72. 4,000 people over 90 years old; 40,000 people over 80 years old; There are 275,000 elderly people over the age of 60, and the average life expectancy has exceeded 75.5 years.

Experts believe that Rugao longevity is related to local environment, water quality, diet structure and daily life.

As far as food is concerned, the local gingko, radish, longevity fruit, dry tea, tide cakes and buckwheat cakes all have the effect of prolonging life.

As far as users are concerned, straw mats, clogs, buckwheat shell pillows, crocks, iron pots and Chinese fir pots are all good products for fitness.

As far as art is concerned, Rugao is one of the seven major schools of bonsai, four major kite producing areas and three major schools of seal cutting, and its contribution to raising the Year can be imagined.

At present, there are still historical and cultural sites related to longevity, such as Baisuixiang, Wanshoutang and Shuihui Garden, as well as longevity culture and folk customs such as Baisuiwan, Guo Bailu and Qianmi.

Although the longevity of the elderly involves all aspects, eating habits are a leading factor that cannot be ignored. As the saying goes, "Food is the most important thing for the people" is an eternal truth.

The foods that Rugao elderly people often eat are: corn grits, soybeans and bean products, radishes, sweet potatoes, peanuts and so on.

Local people and health care institutions believe that these foods are closely related to people's health and longevity.