Abstract: As a key equipment for processing organic solid waste in modern agriculture, compost turner plays an irreplaceable and important role in promoting resource recycling．Current status of patent applications in field of compost turners at home and abroad was systematically sorted out, their technical composition and development trends were analyzed, core key technologies were summarized．It could provide support for tracking compost turner industry patent trends and technological hotspots, and provide a basis for subsequent patent layout and intellectual property protection strategy formulation．