Prestressing technology has been applied in many bridge projects. With the large-scale construction of highways, there are many bridges of different types, and the quality accidents and cracks that occur with them are also increasing. This paper addresses the early strength of concrete in prestressed bridge construction, the quality of the reserved aperture, the super-long bunch of one end of the tensioning process, the application of flat anchors, the size of the clip-type anchorage and the length of the clip is reduced in an orderly manner and affects the quality of the anchorage and other issues, through a number of accidents, the authors did a large number of investigations and analyses of a number of pre-stressing technology occurring in the construction of questioned!