The invention discloses a network communication structure of a power distribution network. The network communication structure comprises: a neighborhood network unit, wherein the neighborhood network unit comprises a field domain router, an automatic network distribution system and a plurality of working flow management terminals; an NOC network operation center, wherein the NOC network operation center comprises a CG-NMS platform, an NOC application server and an NOC network server for calling or storing data, and the NOC application server is connected with the NOC network server; and a wide area network unit, wherein the wide area network unit comprises a security access module and a communication line. According to the network communication structure of the power distribution network disclosed by the invention, the neighborhood network unit is set as the field domain router, the automatic network distribution system and the working flow management terminals to realize a mutual communication effect between terminals, as the NOC network operation center and the wide area network unit are arranged, the terminals can transmit communication flow, the internal memory and other resources occupied by the terminals are reduced, and the requirements of power grid transportation are satisfied.