The invention discloses a waste and old material automatic recovery system and method based on the Internet of Things information dissemination technology. The system comprises a weighing module, a detection module, an application network platform and an application APP, wherein the weighing module and the detection module are installed on recyclingrecovery equipment; the application network platform is deployed on a server computer, and the application APP arranged on the mobile terminal; wherein the recycling equipment management platform and the client APP perform mutual operation and information sharing through a network, the mobile terminal applications are divided into client applications and administrator applications, a client scans a two-dimensional code of the recycling equipmentthrough the mobile terminal applications to open a box and put waste products, collection is completed at a mobile phone terminal, the recycling equipment detects categories types according to categories, automatic weighing is performed, and payment is completed. For an administrator APP, the state of each piece of equipment can be checked in real time, including commodity storage amount information, equipment fault information, early warning information and the like, and work orders of field staff and processing of the equipment can be dispatched.