The program targeting at the clear-up of 1 240 physical and chemical detection method standards was started in 2012, and finally a new catalogue composed of 248 national food safety standards was proposed by classifying and analyzing these standards. In this paper, we briefly review the principles and objects, the specific process, and the main problems existing in the task, which are beneficial for users to understand the clear-up work more thoroughly and for the better application of food safety standards. Moreover, this paper also provides a coherent framework of the food safety standards system and effective technological support for the future work.