"The outer reflex the inner" is a central concept in Chinese diagnostics. Chinese diagnostics is built on a complex process of 4 examinations:
- Inspection is the process where a doctor observe the patient
- Listening and Smelling
- Enquiring is the process in which a doctor interviews the patient
- Palpation is a form of diagnosis by feeling and touching
The effect of treatment is directly connected to correctness of the diagnosis. Tongue diagnoses and pulse examinations are the most important process of Chinese diagnostics. It requires many years of training and experience. It reveals the inner state of a human being.