无论在民事诉讼、刑事诉讼还是行政诉讼中,法官审理案件的主要依据除了法律就是证据,而证据又是证明案件事实的唯一凭证,即法官认定案件事实只能靠证据。随着科学技术的进步,法医类鉴定证据越来越多,为保证证据的可靠性,有必要让法医出庭对证据进行说明。本文从法医出庭作证的概念、必要性方面进行论述,进而概括出法医出庭作证的基本原则,希望能对当下法医出庭作证存在的问题有所帮助。 No matter in civil lawsuit, criminal lawsuit or administrative lawsuit, the main basis for judge’s case except law is evidence, and the evidence is the only proof of the facts of the case, that is, the judge finds the facts of the case can only rely on evidence. With the progress of science and technology, more and more forensic evidence has been identified. To ensure the reliability of evidence, it is necessary to give forensic evidence to the court. This paper discusses the concept and necessity of forensic court testimony, and then summarizes the basic principles of forensic court testimony, hoping to help the forensic doctors to testify the existing problems.