Take a life, live a life, protect a life, live a long life, and so on. In ancient times, family health care was called "taking care of life", "Shen Tao", "preserving life" and "longevity". In ancient times, there were many ways to provide for the aged, and the most common way was to provide for the aged at home. Health preservation can be carried out from the aspects of improving mentality, diet, work and rest, exercise, etc., to enhance physical fitness and prevent diseases.