Vo Nhai Agricultural Product System is a product introduction system in Vo Nhai district - Thai Nguyen, a system that stores and manages the entire production and distribution process, from seed selection to stamping and distribution. distribute to the market. The smart stamp system uses 2-D barcode technology (QR code) to check and trace the origin of products through a smart device (Smartphone). The purpose is to manage and supervise the entire chain of activities from production - circulation - distribution of goods. The system helps producers easily update and manage production records (crop diary), managers easily monitor goods quality, market size..., trace the origin of consumers. products, distinguishing counterfeit goods, imitation goods.