Abstract: In order to solve the quality and safety issues in tea industry,the GAP critical control points and bar code management for the production process were designed based on good agricultural practice(GAP)technology.Using Visual C#.NET object-oriented programming technology and SQL Server 2005 relational database technology,tea quality safety traceability system for client and tea traceability inquiry system based on QR code were developed by DR code identification.Application results showed that the traceability system could help tea enterprises promote standard and safe production according to good agriculture practice.The system provided an effective way for tracking of tea to guarantee product safety and quality for the tea industry,and supplied traceability reference for government supervision.