The invention discloses an agricultural and sideline product comprehensive service platform, comprising a service platform, the internet, a data processing central system and a transaction platform; the internet, the data processing central system and the transaction platform are all connected to the service platform; the service platform at least comprises a supplier management module, a safety tracing module, a purchase management module, a product management module, an order management module and a marketing management module. According to the comprehensive service platform, resource advantages of dual parties can be fully played, the superior resources of the agricultural and sideline product industry and the mated logistics industry are integrated by using an informatization means, integral management and operation is realized by using concepts, methods and technologies such as the internet, large data and supply chain management, all parties cooperate with one another, the business process, the management process and decision process are optimized, and an industry supply chain-based optimal solution is provided for each party of agricultural and sideline products and the operation efficiency of the industrial chain is improved.