诉讼制度化、民主化、科学化是诉讼理性化的标志,是建设法治国家基本要求,而诉讼理性化的关键取决于司法证明方法的科学和理性。大量运用科学证据的证明方法是现代诉讼制度的重要特征,因而,鉴定人作为提供科学证据的主体在诉讼活动中发挥着越来越重要的作用。鉴定人制度是指在一定的诉讼制度背景下,以鉴定人的地位、鉴定人的资格与条件、鉴定人的委托、鉴定人作证制度等为 The litigation institutionalization, democratization and scientificization are the hallmarks of litigation rationalization and the basic requirement for the construction of a country governed by law. The key to the litigation rationalization lies in the science and rationality of the judicial proof method. The method of proof, which makes extensive use of scientific evidence, is an important feature of modern litigation system. Therefore, appraiser is playing an increasingly important role in litigation as a subject that provides scientific evidence. Appraiser system refers to the background of a certain litigation system, in order to identify the status of the appraiser, qualifications and conditions of appraisers, appraisers entrusted, witness testimony system is