With "One Certificate & One Code" (Commitment & Compliance Certificate, Merchant Subject Code) as the core, we build a full-chain digital traceability and supervision system covering "Origin Exit, Market Access, Sales Circulation, Public Consumption and Supervision Disposal". Through "Five Fixed" anti-counterfeiting sampling, intelligent early warning and multi-terminal collaboration, the platform realizes closed-loop management from agricultural product entry appointment, certificate verification, rapid test publicity to positive disposal. It gridizes and electronicizes inspection tasks, empowering market supervision departments to achieve precise governance, active risk prevention and control, and social co-governance of information. "Sky-Air-Ground" integrated observation network. Develop precise irrigation and water-fertilizer decision-making models based on artificial intelligence and crop Evapotranspiration (ET).