With the current development of machine translation and innovation of translation teaching,the issue of automatic translation quality evaluation has arisen a lot of concerns.In order to grasp the ideas and methods of translation evaluation, this paper proposed a systemic review on current researches.According to the characteristics of these studies,this paper drew a tree to illustrate the branches of different approaches.It also introduced typical algorithms and the map of their improve-ments,as well as the assessment on automatic evaluation,international shared task of machine translation evaluation and open toolkits of automatic evaluation.In the last section,it analyzed main obstacles and problems on current researches.It also put forward prospects on this field in the part.%随着机器翻译研究的推进和翻译教学方式的革新，译文质量自动评价问题近年来受到大量关注。为把握翻译质量自动评价的思路、方法，通过对目前研究脉络的梳理，从研究特点角度绘制出了一个树型分类图谱，并对典型算法及其改进思路进行了分析；还对自动评价算法的评测方法、国际机器翻译评测平台和自动评测开放工具等给予了介绍。最后分析了当前研究存在的主要困难和问题，提出了对发展方向的展望。
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