The invention discloses a multi-module intellectual property network transaction platform, comprising a link terminal, a main server and a client side. The main server is provided with a cloud storage module. The link terminal and the main server establish unidirectional data communication. The cloud storage module records the identity information of buyers and sellers, the intellectual property literature of the sellers, intellectual property state information, intellectual property policy information and buying Information. The client side comprises a register and login module, an intellectual property state module, a communication module, an intellectual property policy module, a handset pushing module and a buying information module, wherein the register and login module, the intellectual property state module, the intellectual property policy module, the handset pushing module and the buying information module separately establish bidirectional data communication with the cloud storage module; the communication module establishes data communication with a third party chatting tool; the handset pushing module and a handset establish data communication. The multi-module intellectual property network transaction platform is simple and practical, and promotes intellectual property transaction development.