鉴定人出庭参加法庭的调查、质证是实施鉴定活动的最后一项程序,对于查明案件事实,实现程序公正有着重要的意义。鉴于目前我国立法在此方面的缺位以及司法实践中鉴定人出庭率极低的现状,本文探讨了鉴定人出庭质证的原则、条件和任务,分析了出庭率低的几种主要原因,并就鉴定人出庭质证制度需要解决的几个问题,如出庭质证的基本程序、鉴定人权利保障制度等方面进行了积极有益的探索。 Authenticators to attend court to participate in the investigation, cross-examination is the implementation of identification activities of the last procedure, to identify the facts of the case, to achieve procedural justice is of great significance. In view of the current absence of legislation in our country and the very low attendance rates of appraisers in judicial practice, this article explores the principles, conditions and tasks of appraisers’ appearances in court, analyzes the main reasons for the low attendance rate, Several issues need to be solved in the system of certification, such as the basic procedures of the court certification, the system of the protection of the expert’s rights and so on.