The present invention relates to a transformer information remote transmission data acquisition device. The device comprises a CPU as well as a switching quantity signal processing circuit, a 4-20mA signal processing circuit, a temperature and humidity signal processing circuit, a wireless communication circuit, a real-time clock circuit, a power source circuit, a relay circuit, an RS485 communication circuit and a digital tube display circuit which are all connected with the CPU. The transformer information remote transmission data acquisition device of the invention supports a data wireless transmission function and can transmit monitoring data to a backstage server through a wireless transmission technology; the transformer information remote transmission data acquisition device supports an one-relay output function, and output node voltage level is 5A/250AC; the transformer information remote transmission data acquisition device simultaneously supports two RS485 wired communication units to meet the requirement of field wired data transmission; a real-time clock is provided with a rechargeable button battery, so that the clock can maintain its functions after power outage occurs; the device supports an upper computer communication function, and therefore, parameter setting of the device and the reading of the monitoring data can be realized through a serial port, and on-site debugging and fault analysis processing can be facilitated; and a display circuit can locally display device operating information and data acquisition information.