Tin powder is used for detoxification and decomposition, and for throat erosion.
Second, matters needing attention:
1, pay attention to adequate rest and avoid staying up late;
2. Pay attention to drink plenty of water;
3, pay attention to a light diet, avoid spicy and irritating diets, avoid alcohol and tobacco, and avoid foods that are too cold and overheated;
4. Pay attention to good air and environment, and try to avoid staying in an environment where the air is not circulating for a long time;
5, appropriate physical exercise, enhance physical fitness and immunity.
I hope it helps you. I wish you the best of health!