Medical malpractice expertise plays a very important role in dealing with civil refunds in cases associated with medical tangle, administrative solutions and crimes in medicine, pharmacy and public health.

The identification of medical malpractice plays an important role in the lawsuit of medical malpractice, and we should admit that its nature belongs to a particular kind of civil legal activity.

This paper focused on the judicial operation of the medical malpractices expertise, which has the validity of civil procedure law.

The medical malpractices expertise is the key question in settlement of medical malpractices disputes,which is the important evidence for the dispute settlement between doctor and patient.

A Research on the Legal System of Medical Malpractice Evaluation in China;

From the angle of evidence theory,medical malpractice evaluation has the credibility of evidence because of its legitimacy,relevance and objectivity.

In the end,through the identification of a high-risk thermal explosive accident,the application of calorimeters are discussed,so as to offer an practical case for the choosing skills of methods and detail steps,and to support the accident identification with scientific reference.