With the rapid development of my country's cold chain logistics,in order to meet the needs of improving the capacity of the cold storage and the mechanization operation of the library body,the large pillar is a prestressed stressless beam building.Compared with the traditional beam and board cover.The characteristics are widely recognized and used in the high-rise cold storage.This article is selected from the cold storage project to carry out the selection of structural cover design schemes,analyzes the advantages and disadvantages of the selection scheme,and uses limited analysis methods to explain the main points of prestressed beamless floor cover design,which aims to provide reference and reference for the design of the cold storage.