The method of "nourishing the heart and publicizing" founded by Chao is widely used in medical treatment. There are 1727 kinds of diseases discussed in the Guide to Health-preserving Prescriptions, and most of them are accompanied by methods of nourishing, promoting hair and substituting drugs. For example, the "hands and feet do not obey due to wind arthralgia", and its "nourishing propaganda method" is: "Hold hands left and right, open arms nine times, and treat arm and foot pain, fatigue and wind arthralgia". It has a positive contribution to the development of medical gymnastics.

The Qigong "hair care method" created by Chao is very rich in content. From the aspect of mind training, it includes observing the abdomen, protecting the five internal organs, protecting the mind and inhaling. From the aspect of pranayama, there are people who practice exhaling and inhaling; In posture, there are supine, lateral lying, sitting, kneeling, squatting, squatting, relaxing and waiting; In terms of dynamic work, there are flexion, rotation, head movement, arm extension and foot flexion and extension.