Choosing warm food or medicinal materials for tonic in winter can make the body's blood circulation smooth and qi and blood active, which can achieve the effect of keeping out the cold. Foods with warming function are generally red and sweet foods, or spicy condiments and foods. These foods have the functions of warming, nourishing and promoting metabolism. Warm food suitable for winter.

Meat: mutton, beef, shrimp, sea cucumber, oyster, eel, venison, chicken liver and other meat rich in lipids and protein.

Fruits and vegetables: leek, perilla, green pepper, mustard, cabbage, pepper, onion, pumpkin, litchi, peach, longan, onion, ginger, garlic, etc.

Others: brown rice, sorghum, sesame, nuts, cashews, walnuts, chestnuts and other drupe foods.

When cooking or eating cold food, you can add some spicy spices such as onion, ginger, garlic, pepper, pepper, ginseng, astragalus, dried tangerine peel or Chinese herbal medicine to blend. For example, if you eat cold crabs, you can fry crabs with hot ginger to reduce the coldness of crabs. Common cold foods are loofah, wax gourd, celery, cucumber, kelp, frozen watercress, cabbage and so on. When cooking, you can use appropriate seasonings such as onion, ginger and garlic to achieve the effect of neutralizing the cold. In addition, you can also use Lycium barbarum, red dates, ginseng, longan pulp or ginger to make tea, which can also play a role in keeping out the cold.