1. In terms of food supplement, the "first frost" has entered the late autumn, and Chinese medicine believes that this season belongs to the "gold" in the five elements, corresponding to the lungs. Therefore, at this time, diet and health are suitable for "flat supplement". Suitable foods are pears, apples, olives, ginkgo, onions, mustard greens and so on. These foods have the effects of promoting fluid production, moistening dryness, clearing away heat and resolving phlegm, relieving cough and asthma, and tonifying kidney and lung. At this time, you should eat less raw and cold food, such as sea fish, shrimp and all kinds of cold drinks. , so as not to hurt the lungs and cause disease.

In addition, after the first frost, it is generally a good time to make up. There is a saying that "it is better to make up the first frost than to make up the winter", and it is important to keep warm and moisten the spleen and nourish the stomach. You should eat more pears, apples, ginkgo, onions and mustard seeds. Eat less cold and hard food, avoid strong stimulation and overeating, and pay attention to keeping your stomach warm. "There are flowers in spring and fruits in autumn". Sweet potato, sweet potato, yam, lotus root and water chestnut are all foods suitable for this season. In addition, you can eat more food such as lily, honey, jujube, sesame and walnut, which is also very healthy.

3. In terms of disease prevention, the incidence of respiratory diseases peaks around the "first frost", and common respiratory diseases include allergic asthma, chronic bronchitis and upper respiratory tract infection. In order to prevent these diseases, we should first pay attention to keeping warm. People with a history of asthma attacks should pay special attention to changing clothes and wearing masks when going out to avoid the stimulation of cold on the respiratory tract. Secondly, we should strengthen physical exercise and increase disease resistance through exercise. Radio exercises, Tai Ji Chuan, walking, jogging and mountain climbing are all suitable exercise methods. After the first frost, it is necessary to reduce the autumn freezing, especially to keep the lower limbs warm.