The three basic principles of TCM diagnostics are:

A、Overall examination,
diagnostic methods synthesis,
combination of disease and syndrome;

B、Diagnosis based on pulse rather than symptoms, diagnosis based on symptoms rather than pulse , symptoms and pulse synthesis;

C、Etiologic analysis based on syndrome differentiation,
differentiating cause to decide treatment, prescription according on diagnosis;

D、True and false symptoms,
mixed symptoms,
synthesis of the four diagnostic methods