In prophylaxis and treating diseases, Qigong exerts effects on the body through its required movements, postures, regulation of respiration and control of thought, building up constitution and strengthening bodily resistance.

It has been proved to be effective in treating some chronic diseases, especially hypertension, coronary heart disease, ulcers, neurasthenia and bronchitis. Qigong can reduce severity of disease and promote earlier recovery without any special equipment. So it is highly desirable to employ Qigong clinically.

Qigong is also effective for bodybuilding. People who keep practicing Qigong usually enjoy the benefits of improved digestion and respiration, cardiovascular and nervous system. It improves sleep quality, relieves fatigue, strengthens physical and mental conditions, enhances stamina and thus improves working efficiency. It is also brings anti-aging and life-prolonging effects.

In ancient times, people believed that Qigong was a method for curing disease and prolonging life. Some even regarded is as the key to immortality. According to historical records, Hua Tuo, a famous doctor of the Three Kingdoms period (220 -280 A.D.), invented the Frolics of Five Animals exercise. He persisted in practicing it. As a result, he looked young at the age of 100. This youth-preserving effects are verified by the aged who have practiced long-term Qigong exercise. Most people who persist in Qigong exercise are spirited with normal blood pressure, have good vision and hearing, have ringing voices, and sound teeth, and can sleep well, walk with firm strides, withstand the heat or cold, and seldom suffer from diseases. They differ greatly from those taking little exercise. So Qigong contributes greatly to geriatrics.