Supplementary content: Health teacher is China's name for a person who pays more attention to life, has healthy and green living habits and is called a science. Old-age care itself is easier to find a job, because this major is still very popular. Whether you want to continue your studies or enter the primary level, there will be a relatively large job market. Health preservation is not a simple physical exercise, nor a nutritious meal or a biography of Artest. Health preservation is based on the principle of regulating yin and yang, harmonizing qi and blood, and preserving spirit, and uses various methods such as regulating the mind, guiding breathing, regulating the seasons, nourishing food, nourishing drugs, abstinence, and taking grains. In order to maintain, regulate and support life and realize human health and longevity.