The invention discloses a waste glue recycling system, and relates to the technical field of viscose filament yarns in textile industry. The problem of the influence of recycled waste glue on spinnability is solved, the waste glue recycling system is optimized, different treatment modes are adopted for different waste rubber, so that the waste rubber is uniform in maturity, the number of particles meets production requirements, varieties in a certain area are independently used, and the influence of mass production spinnability on high-end products due to mixing with the waste glue in a large-scale system is avoided.