The utility model discloses a VOIP voice terminal suitable for power distribution network operation and maintenance, comprising a user line interface circuit module and a common telephone, the user line interface circuit module is connected with a microprocessor module, and instruction interaction is carried out between the user line interface circuit module and the microprocessor module; the system also comprises a dual-tone multi-frequency signal module, a first sound card module and a second sound card module. The first sound card module receives the original sound signal and performs soundmixing processing; the second sound card module stores the VOIP call data as an audio file in a standard format; and the microprocessor module is used for receiving and storing the VOIP network telephone directory issued by the management platform, determining the connection relationship between the local terminal and other terminals, and realizing voice data transmission through the network transmission module. According to the utility model, the communication cost can be reduced, encoding, decoding, compression and decompression and automatic recording of voice data are realized by using the double sound cards, interfaces for information exchange with other service systems of a power distribution network and the like are provided, the cost is low, and the service integration degree is high.