Spot detection system for power distribution terminal and detection method for spot detection system

The invention discloses a spot detection system for a power distribution terminal and a detection method for the spot detection system. The spot detection system consists of an upper computer, a three-phase alternating-current multifunctional standard source, a power distribution terminal telesignalisation remote control box and a detected power distribution terminal, wherein the upper computer is connected with the power distribution terminal telesignalisation remote control box, the three-phase alternating-current multifunctional standard source and the detected power distribution terminal respectively; the detected power distribution terminal is connected with the power distribution terminal telesignalisation remote control box and the three-phase alternating-current multifunctional standard source respectively. By the spot detection system, spot automatic detection and property evaluation of the power distribution terminal can be realized; and a convenient and effective solution is supplied to spot detection and maintenance for the power distribution terminal.