The invention relates to a jumper type temperature controller of an electrothermal water boiling kettle, which comprises a cover plate, a main body and a chassis connector, wherein a high temperature metal sheet is installed on the cover plate; a low temperature metal sheet, an L-pole copper ring and an N-pole copper ring are installed at the bottom of the main body, the L-pole copper ring contacts an L-pole fixed frame through an L-pole conducting sheet, the N-pole copper ring contacts an N-pole fixed frame through an N-pole conducting sheet, a jumper is installed on the main body, the jumper is provided with stops A, B and C, the stop A contacts the L-pole conducting sheet, the stop B contacts the N-pole conducting sheet, and the stop C contacts the low temperature metal sheet; the chassis connector is provided with an L-pole contact sheet, an N-pole contact sheet and a grounded contact sheet, the L-pole contact sheet contacts the L-pole copper ring, the N-pole contact sheet contacts the N-pole copper ring, and the grounded contact sheet contacts the cover plate through a grounded shaft; and the electrothermal water boiling kettle jumper type temperature controller is characterized in that a hollow column A and a fixed column are manufactured on the main body, an open slot is manufactured on the hollow column A, a big-end post rod is installed in the hollow column A, the big-end post rod contacts the chassis connector, a spring A is fixed on the fixed column, and the spring A penetrates through the open slot to contact the top surfaces of the big-end post rod and the jumper.