Second, adjust the diet:

1, the nutritional characteristics of winter diet should be: sufficient heat intake, suitable for cold and activities.

2. The proportion of nutrients should be protein, fat and carbohydrate, accounting for 15~23%, 25~35% and 60~70% respectively. The intake of minerals is also slightly higher than usual. In the vitamin part, special attention should be paid to increasing the demand for vitamin C.

Third, the folding of the Yin to protect Yang:

1. Health preservation in winter should start from gathering yin and protecting yang.

First of all, try to go to bed early and get up late. Going to bed early and getting up late in winter and keeping a long rest time are the first things to pay attention to in winter health care.

Secondly, pay great attention to keeping your back warm. The back is the yang in the yang, and pathogenic factors such as wind and cold can easily invade through the back of the human body, causing diseases. Old people, children and the infirm should pay attention to keeping their backs warm in winter so as not to hurt the sun.

3. Then keep warm from the cold.