The invention discloses a modular power electronic transformer remote monitoring system based on a GPRS and belongs to the field of power industry remote monitoring. The system is mainly composed of a data processing unit, a GPRS data transmission module, an upper computer GPRS data transmission module, and a data receiving processing and display unit. The data processing unit collects information such as a current, a voltage and power of a lower layer electric cabinet. Operation state information of a modular power electronic transformer can be collected accurately in real time, after the information is processed, the information is sent to the data receiving processing and display unit such as a notebook computer or a mobile phone of a technician, and the convenience for maintenance, overhaul and fault elimination of the power electronic transformer is provided.