In winter and March, the world is closed, the water is frozen and the sun is undisturbed. I lie down early, get up late and wait for the sun.

Eat less for dinner and live to ninety-nine.

4, the elderly blood gas stagnation, limb flexion and extension, smooth blood, can be life-long without hand and foot disease.

5, winter should not be extremely hot, summer should not be poor and cool.

6. Where food is hot or cold, less is better than more, cooked is better than raw, and light is better than salty.