【Objective】The aim of this study is to investigate the relationship between the characteristics of cell wall pectinpolysaccharide degradation and textural softening and storability of pear fruit, these results will further demonstrate the mechanism of fruit softening and provide a basis for improving fruit quality and developing better storage technology【.Method】Take the fruits of ‘Yali' and ‘Jingbaili' pears as the materials to compare the difference of the changes of pectin polysaccharide content, the mol...