| With the development of science and technology, the litigation activities need more andmore for judicial authentication. When the opinions of judicial authentication as important ofa kind of legal evidence form and gradually become the key to judge the case evidence, oncethe opinions was not taken in the case of a objective and fair,it will seriously affect thejustice of the case. In criminal litigation in our country is introduced into expert assistantsystem,which can make up for a lack of judicial appraisal system in the running of this insome extent. However,in the192th of new "criminal procedural law",despite it participatesexpert assistant into litigation, but too short, lack of necessary procedures to ensure operation,easy to apply in implementation of chaos.The full text is divided into four parts, the first part focused on the concept and characteristicof expert assistant, for with the related concepts, and analyzes the expert assistant systeminto the value of criminal procedure; The second part introduces the expert assistant systemof criminal action, analyzes the existing problems; The third part analyzed the expert witnesssystem of Anglo-American law system and the advantages and disadvantages of the systemof technical advisor in Italy and places can be used for reference; The fourth part is acriminal action expert auxiliary system perfect puts forward personal opinions.This article uses the comparative analysis and research analysis, from the perspective ofperfecting criminal proceedings expert assistant, in the thorough analysis research in theexisting criminal procedure expert auxiliary system on the basis of the shortcomings, putsforward from clear expert auxiliary litigation status of the selected qualification and method,the rights and obligations, and determined the experts assistant to participate in the trial tofurther perfect rules, etc. |