This article researched on the key techniques of Internet of things for pork circulation management using the mobile terminal, such as RFID (radio frequency identification), two-dimensional bar code and GPRS ,which can realize the management of pork circulation system from farming, slaughter to processing and transportation, and make the supervision departments and consumers query the source information and quality certification information whenever and wherever possible by using the intelligent mobile phone to scan two-dimensional code pork products. This work was to solve the regional, shari...