The invention relates to a comprehensive monitoring device for cable heads of a power distribution high voltage switch cabinet, comprising a data acquisition unit, a data processing unit, and a communication unit. The signal output end of the data acquisition unit is connected to the signal input end of the data processing unit. The signal output of the data processing unit is connected to the communication unit. According to the comprehensive monitoring device for the cable head of the power distribution high voltage switch cabinet, the operating conditions of the cable terminal in the equipment such as a distribution ring network cabinet, and an opening and closing station is monitored in real time, so that the hidden dangers can be discovered in time before the failure occurs, the defects can be handled, the power failure accident can be avoided, the operating equipment can be protected, and the reliability of the system can be effectively improved.