The utility model discloses a high voltage isolator evaluation and failure diagnosis equipment, which comprises a display screen, the display screen is installed on the organism, and the below of display screen is provided with control button, control button's below is provided with the orientation adjustment button, and the inboard of orientation adjustment button is provided with confirmation button, the right side of organism is provided with the siren, and the corner position of organism department is provided with the antivrbration pad, the wireless connection department of organism is provided with temperature sensor, structure scientific and reasonable, convenience safe in utilization is monitored through setting up temperature sensor and resistance inductor temperature and the resistance on to isolator, if isolator is because oxidation etc. Leads to the surface resistance increase to be generated heat, at this moment the sensor can be with information transfer to the receiving arrangement who senses, and receiving arrangement can send out the police dispatch newspaper and remind, and vibration sensor can detect the vibration ripples of isolator production when closed, then contrasts through the vibration ripples with original settlement, if great difference shows then that certain closed contact fault appears in closed switch, at this moment receiving arrangement can send out the warning of police dispatch newspaper, prevents to influence the normal work of circuit.