Our ancestors left many simple and practical daily expressions, such as "simple tea and light rice are the most nourishing". Among them, rough: rough and simple; White rice: In ancient times, there was little salt, so poor people could not afford it, so they had to cook without salt, which was called white rice.

Describe that people at that time had a simple diet and a simple life, but they seldom got sick, especially now many diseases like cancer. Of course, there was no such thing as cancer in the past.

Health maintenance

Maintenance refers to following the law of life, through moderate exercise, plus external care and other means, so that the body function and external skin can rest and restore their due functions, which is the first level of health care.

Self-cultivation refers to broadening one's horizons, understanding one's mind and broadening one's knowledge. Through the cultivation and promotion of one's own moral quality, one can rest and cultivate one's body and mind, thus achieving the purpose of self-cultivation.

Nourishing refers to nourishing and conditioning the whole body according to the laws of the four seasons of heaven and earth, so as to achieve the purpose of preventing diseases and prolonging life.

Health preservation is a comprehensive science, involving many disciplines, including Chinese medicine, rehabilitation, nutrition, aesthetics, psychology, Chinese studies, physics, chemistry, art, cooking, kinematics, Taoism and so on.