The LCD glass substrate packaging mainly includes A-type frame and PP BOX,which have their own advantages and disadvantages.Among them,the A-type frame packaging method will use the interval paper as the auxiliary packaging material.The main function of the interval paper is to separate the glass substrate,so as to realize the dense packaging of the glass substrate.This paper mainly introduces the main performance indexes of the interval paper and the analysis and discussion of the bad quality impact of the liquid crystal glass substrate plate surface,hoping to provide some experience and reference for the same industry and related industries.