The invention discloses a thermal imaging device for coke oven top monitoring. The thermal imaging device comprises a housing, an installing plate, a connecting plate, a rotation shaft and a supporting plate, wherein the front side of the housing is provided with a liquid crystal display screen, a control panel and a through groove I, the front side of the control panel is provided with an up key,a power key and a down key, one side of the housing is provided with a picture capturing key, and the other side of the housing is provided with a USB port. The thermal imaging device for coke oven top monitoring is provided with the installing plate, a rubber fingerstall and a protective cover, can be held by hand and installed for use, can be stably held and operated for a long time and has certain practicability and better use prospect, and when the thermal imaging device for coke oven top monitoring is bumped by the outside, an infrared image sensor can be protected.