The utility model discloses a cooling device of electric stove furnace roof and have its electric stove, cooling device includes coolant tank, water inlet branch pipe and shower nozzle. Coolant tank is last to have the heat transfer structure that is used for hot link electric stove furnace roof, and is equipped with inlet tube and outlet pipe on the coolant tank, water inlet branch pipe is with the inlet tube intercommunication and some is established in coolant tank at least, the shower nozzle establish on water inlet branch pipe and with the water inlet branch pipe intercommunication, the shower nozzle spray the direction towards the heat transfer structure. According to the utility model discloses a cooling device of electric stove furnace roof, set up on water inlet branch pipe with the shower nozzle of water inlet branch pipe intercommunication, carry out the mode of spray cooling liquid through the heat transfer structure of shower nozzle on to coolant tank and cool off with the exchange heat structure to can realize the high efficiency cooling to the electric stove furnace roof, the security that can improve cooling device simultaneously.