CHANG Lin.Institute of Evidence Law and Forensic Science, China University of Politics and Law, Beijing, 100088

【Abstr act】The paper includes three parts:the expert opinion of forensic medicine can state the condition of cases;
the value of the elements of cases in forensic medicine is great;forensic medicine is limited in science.Forensic medicine
relye on the condition of cases,and it is necessary to exam the expert opinion of forensic medicine.
【Key words】Scientific evidence, Forensic medicine