1. White radish

The arrival of frost solar term means that winter is coming, and white radish is recommended first for health preservation. Radish is cool in nature and has certain effects on moistening the lungs and relieving coughs.

2. Sweet potato

Sweet potato is rich in iron, calcium and other minerals necessary for the human body. It is a coarse grain and is digested slowly. It is okay for diabetics to eat some. It is a staple food in life with fine grains. Make the exchange and it will be better for your body. Sweet potatoes contain crude fiber. For people with strong internal heat, eating more can help relieve symptoms such as constipation.

3. Yam

Yam is a tonic and qi-replenishing medicine, which has the effect of tonifying the spleen and stomach. It is especially suitable for people with weak spleen and stomach to eat before tonic.

4. Ginkgo

Traditional Chinese medicine believes that ginkgo is neutral in nature, sweet, bitter, and slightly toxic; it enters the lung and kidney meridian. It can benefit lung qi and cure cough and asthma. It is a good food and tonic for nourishing lungs during the Frost Festival.

5. Rabbit meat

You can eat rabbit meat for Shuangjiang Tonic. Rabbit meat is called "beauty meat" abroad. It has a sweet and cool taste and is rich in protein, fat, sugar, inorganic salts, vitamin A, vitamin B1-vitamin B2 and other ingredients.