Portable power monitoring device

The invention discloses a portable power monitoring device, comprising a mobile terminal, a 3G module, a first microprocessor, a second microprocessor, a ZigBee coordinator, a ZigBee module and a relay. The portable power monitoring device has the advantages that power-off and power-on of an intelligent power socket can be remotely controlled; and the current using condition of equipment can be early warned, so that the safety during field crossover operation is ensured, and the safety management level of the field operation is improved.