PIGX is a global leading tracing block chain platform and infrastructure created based on block chain and Internet of Things technology. It can be used for tracing the source of agricultural and sideline food. Its nature is open, credible and independent. The operation mechanism of Pigx Internet platform involves many actors, including the government, regulatory agencies and various ministries and commissions, as well as large agricultural production institutions in the industry, large agricultural and sideline product distribution institutions and the vast number of consumers. Multiple roles are involved, forming multiple checks and balances, which can effectively avoid data corruption and data fraud.