It refers to practicing three or nine in winter and three volts in summer. This is a proverb, which describes that hardworking people are still exercising in the coldest and hottest time of the year. Many people who like sports take it as a guideline, but they should pay attention to keeping warm in winter and heatstroke prevention in summer.

Sanjiu: It is the coldest period of the year from the winter to the19th day to the 27th day after the Japanese festival. Three volts: The first, second and third volts from summer to the future are the hottest periods of the year. It refers to practicing martial arts. It is important to stick to it. Cold does not avoid three or nine, and heat does not avoid three volts.

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Matters needing attention

Pay attention to health, and exercise is an important way to keep healthy. Huangdi Neijing said: "In winter and March, this is called Guan Zang. Water and ice are frozen, and there is no interference with the sun. If you go to bed early and get up late, you must wait for the sun. Ambition is looming, and there are private intentions. When the cold disappears, it will warm up, and there will be no skin leakage, so the gas will be caught. This winter air should be the way to keep Tibet.

On the contrary, it hurts the kidney, and it is flaccid syncope in spring. Few people serve the living. "In the cold winter, practicing martial arts can not only enhance physical fitness, but also exercise people's strong will not to be afraid of cold. Enhance the body's adaptability to cold. As the whole body is full of energy, breathing is deepened, digestion is enhanced, metabolism is vigorous, and physical condition is improved, the health level and sports performance will also be improved accordingly.