Abstract: Adopting a combined approach of literature review and survey research, a systematic analysis was conducted on theoretical value and practical significance of integrated development of intelligent agricultural machinery and equipment industry and smart agriculture in Heilongjiang Province．Current status of this integration was comprehensively elaborated, and main problems and challenges faced in integration process were identified．On this basis, a support system for integrated development was proposed, along with targeted optimization strategies and suggestions to promote in-depth integration and enhance quality and efficiency of both sectors．It aimed to provide theoretical support for helping Heilongjiang Province strengthen national food security barrier and promote transformation and upgrading of agricultural modernization．