The invention relates to a copperplate pocket knife method gel time testing device, which belongs to the technical field of electric insulation. The copperplate pocket knife method gel time testing device is characterized in that: the testing device has a furnace type structure, an electric heating source is arranged in a furnace body of a gelling heating furnace, the furnace body is provided with a gelling electric hot plate, and a temperature meter is arranged on the gelling electric hot plate. The copperplate pocket knife method gel time testing device has the advantages of simple structure, convenient operation, high controllability, accurate measurement, reduction of system errors of the measurement, stable data, easy cleaning, low detection cost, high test efficiency and the like.