关键词:  , 刑事诉讼；专家辅助人；制度； 建构

Abstract: The system construction for expert auxiliary in criminal litigation in China is the need for proper comprehension, understanding, judgement and use of evaluation conclusions. It is also the fundamental requirements of the nature of criminal litigation activities. We should accurately understand the legal status of expert auxiliary, reasonably set the qualification of expert auxiliary of criminal litigation, appropriately expand the scope of expert auxiliary, effectively identify the time for expert auxiliary to be involved in a case and establish the legal consequences and responsibilities for expert auxiliary participating in criminal litigations, so as to insure that the function of expert auxiliary in criminal litigation be performed in full.

Key words: criminal litigation, expert auxiliary, system, construction