The invention relates to the technical field of detection devices, and particularly discloses a mattress durability test machine. The structure of the mattress durability test machine provided by the invention comprises a PLC automatic control system, a drum and a mechanical device which drives the drum to carry out relative horizontal movement on the surface of a mattress. The PLC automatic control system controls the mechanical device, so that the drum can carry out rolling press on a test-piece on a bottom flat plate for the durability detection. The mattress durability test machine provided by the invention has the advantages of compact structure, reasonable design, flexible application and convenient use, meets new standards detection requirements, and is suitable for wide popularization and application.