Abstract: In order to promote Wanning areca industry development, build Wanning Se areca brand, to ensure the quality and safety of Wanning areca. According to the Wanning municipal Party committee, city government requirements, author studies two-dimensional code (QR Code) technology, based on research and analysis from fresh fruit to the initial processing of areca and then deep-processing production process, designs the processes and the coding structure of areca quality safety traceability, constructs Wanning areca quality safety traceability system based on two-dimensional code (QR Code) technology. Application shows Wanning areca production and processing enterprises improve the safety management level of areca through the use of this system, achieve the quality safety traceability, promote industrialized operation of areca and standardized management, as well as Wanning municipal Party committee, city government regulatory basis to provide traceability.