The meaning of "harmony but difference" is to exercise according to the correct health care methods, such as psychological balance, regular life, reasonable diet, moderate exercise, quitting smoking and limiting alcohol, and not overworking. From Huangdi Neijing: "Those who know the ancient times, yin and yang are in harmony, several strokes are in harmony, diet is in harmony, and life is not impetuous, so they can be in harmony with God and die at the age of 100."

"The law is based on Yin and Yang, and the skill number" is the general principle of health preservation in Huangdi Neijing, and its essential meaning is to live according to the laws of nature.

The meaning of "and several tricks" is to comply with several tricks. Skill numbers are methods, techniques, methods and techniques can all be expressed by numbers.

The most important word of "number sum" is "sum". If a person wants to live a long and healthy life, the most important thing is "harmony", harmony with nature, harmony with society, harmony with others, harmony with his own body and mind, and harmony with his own body and mind.