The steel rolling heating furnace refractory needs to be dried after maintenance to ensure that the refractory will not crack and collapse during the subsequent high temperature process.In this paper, the processes of refractory drying in steel rolling  heating furnace with firewood and gas are described and summarized.At the same time, the overhaul and drying curves are formulated according to the condition of refractory maintenance, and the attention details in the drying process are summarized.Good practical results are obtained.