As is well-known that coking furnace has a very important role in the petroleum industry. This paper introduced the application of temperature measurement by CCD to modern coking furnace. The principle of this temperature measurement is that the vidicon received the radiation coming from the object to be measured, and the results were processed by the computr. Also, the paper pointed out its development trend. According to a example that had been carried out successfully, the paper drew a conclusion that the method was feasible.