Eating: three points hungry and seven points full; Encounter: three points of worry and seven points of joy; Eating vegetables: three points salty and seven points light; Going out: three minutes' drive, seven feeder lines; Diet: three-part meat and seven-part dishes; Fitness: three points * seven points; Dress: three points cool and seven points warm.

A healthy and balanced diet is also an essential factor for health preservation. The World Health Organization puts forward four cornerstones of health: balanced nutrition, moderate exercise, adequate sleep and good attitude. Personalized scientific diet therapy is the first choice for diet balance. After checking partial eclipse, it can make up for food shortage, limit overeating and achieve diet balance-different diseases can be treated together. Personalized scientific diet therapy can prevent nearly 100 common mental and physical diseases and promote patients' rehabilitation. For thousands of years, healthy food and balanced diet have been considered as the key factors to achieve longevity, while unreasonable eating habits are considered as the root of health problems. Disease prevention is also an important part of health care. Through regular exercise, proper use of drugs, proper food supplement and other healthy activities, everyone can achieve the goal of keeping fit and delaying aging.