2. Homemade hot Jiang Shui: Take 2-3 slices of fresh ginger with skin. Cut into powder, put it into a cup, brew it with freshly boiled water, cover the cup, and let the prisoner drink or rinse it for about 5 minutes. It is better to be comfortable and not feel too hot when using.

3. Rinse your mouth with hot Jiang Shui instead of tea, every morning and evening 1 time. If you have a sore throat, you can use hot Jiang Shui and a little salt instead of tea, 2-3 times a day, about 9 times, to relieve inflammation and itching.