"Low temperature health preservation" refers to keeping the human body at a relatively low temperature to slow down cell metabolism and delay aging.

To achieve "low temperature health preservation", the diet should be cooked at low temperature, and negative foods, including aquatic plants such as rice, should be selected; Overwintering plants such as winter wheat; Underground food, such as potatoes; Winter food, such as Chinese cabbage and radish; Autumn and winter fruits, such as apples and winter dates; Animals in contact with water, such as ducks and fish. Emotionally, people should keep a low profile and relax, which is conducive to reducing the metabolic rate of cells and lowering body temperature.