中文摘要：

文章对适配体的本质、作用机理、特点等进行了介绍，同时从固定对象及库的构成角度分类介绍了四大类适配体筛选技术，最后，就适配体在食品安全领域中的应用现状和发展方向作一总结和展望。

英文摘要：

This review mainly focuses on the progress on the applica- tion of aptamers on food safety detection. Firstly, the nature, mech- anism and characteristics of aptamers were introduced; Secondly, four types of SELEX technology from the angle of the fixed objects and the composition of library were classified; finally, the application and development of aptamers in food safety detection were reviewed and prospected.