The invention relates to a one-rocket five-satellite satellite bracket with a thin-wall structure and an assembly method thereof, which adopt a scheme of firstly coordinating assembly and then mechanically guarantee, thereby avoiding the reference deviation of a satellite installation surface caused by deformation led by assembly, ensuring the precision of the satellite installation surface and the manufacturing and processing precision of the one-rocket five-satellite satellite bracket, and meeting the requirements of satellite installation and use. The one-rocket five-satellite satellite bracket with the thin-wall structure and the assembly method thereof are successfully applied to model products and proved to be correct and reliable by completing flight test verification,. According tothe one-rocket five-satellite satellite bracket with the thin-wall structure and the assembly method thereof, a rubber tire is arranged, so that the stability of the bracket in the process of removing the allowance is ensured, and trembling is avoided. A process hole is arranged when a L-shaped connecting plate is connected with the lower end surface of a second reinforcing frame in the assemblyprocess, and the L-shaped connecting plate is connected with the lower end surface of the second reinforcing frame through a process nail, so that the stability of the whole satellite bracket in the process of removing the allowance is ensured, and the damage to a rivet and a connecting hole in the process of removing the allowance is avoided.