A voice video telephone system for power grid dispatching is provided. The voice video telephone system for power grid dispatching mainly comprises a subscriber telephone terminal equipment and a signal conversion equipment. The subscriber telephone terminal equipment is used for converting the received subscriber voice information into a transmission signal for transmission by the transmission equipment, and displaying the text information corresponding to the voice information; the user telephone terminal equipment is used for converting the received subscriber voice information into a transmission signal for transmission by the transmission equipment. The signal conversion device converts the transmission signal into text information and sends the text information to the subscriber telephone terminal device. The power network dispatching voice video telephone system based on the invention can obtain the text information corresponding to the voice information of both sides of the telephone communication, improves the accuracy of obtaining the communication content of both sides, effectively avoids the communication error, and reduces the power network operation abnormality and accident.