Illegal medical practice is a criminal offence, so according to Article 48 of the Criminal Procedure Law, all materials that can be used to prove the facts of a case are evidence.

Evidence includes:

(1) Physical evidence;

(2) Documentary evidence;

(3) Testimony of witnesses;

(4) the victim's statement;

(5) confessions and excuses of criminal suspects and defendants;

(6) Appraisal opinions;

(7) Records of inquests, inspections, appraisals, investigations and experiments;

(8) Audio-visual materials and electronic data.

The evidence must be verified before it can be used as the basis for finalizing the case.