There are some ideas worth recording and thinking about: First, in terms of fitness and health preservation, the word "Guang" is used as medicine to treat the heart and the word "myrrh" is used as medicine to treat the body. Dinner in the evening is not vegetarian, but vegetarian, which is also suitable for health preservation and frugality. The basis of health care is to avoid anger and try my best to listen to anger. A strong man is like a rich man, who is rich by abstaining from luxury; The weak, like the poor, are self-sufficient because of thrift. I have tried my best to avoid getting angry and know how to save money and keep fit. Anger is very harmful, and thinking too much is too harmful to God. God is humble and easy to serve, which is related to qi weakness. Don't make it extremely sad and happy, eat well in the season. Three more nights of drunkenness, and the first one is morning anger. Thunder and drums at night, washing Yujin in the morning. The demon god is hard to make mistakes, and the essence comes from the whole body. If you want to stay away from all diseases, you should always be cautious. Calm the nerves, be happy, cherish qi, and keep the purity of qi. Long life, long life, practice in people. Always follow this principle, the flat land can be true. —— There are about five methods of health preservation in Sun Simiao's Ode to Health Preservation: First, sleep and diet are regular; Second, punish anger; Third, abstinence; Fourth, sleep and wash feet every night; Fifth, walk 3000 steps after two meals every day.