The utility model discloses a fireproof lining of a stove used by a bulk curing barn, which comprises firebricks which are close to a stove door and firebricks which are not close to the stove door, wherein the thickness of one end of the firebricks which are close to the stove door is 1/2 of the thickness of other positions of the firebricks which are close to the stove door; the thickness of both ends of the firebricks which are not close to the stove door is 1/2 of the thickness of other positions of the firebricks which are not close to the stove door; in the fireproof lining of the stove, which is formed by the firebricks which are close to the stove door and the firebricks which are not close to the stove door, the parts the thickness of which is 1/2 of the thickness of other positions of the firebricks and the end parts of the adjacent firebricks thereof are superposed together, and each firebrick has a radian respectively; and the length of the parts the thickness of which is 1/2 of the thickness of other positions in each firebrick is the same respectively. In the utility model, the assembly method of the firebricks is very simple. When a certain position of the fireproof lining of the stove is damaged, only the firebricks of the damaged position need to be removed, and then the firebricks with the corresponding number are spliced. The firebricks are also very convenient to disassemble and replace. Moreover, the utility model not only saves labor but also saves materials in comparison with an adopted method which is used nowadays when the damaged firebricks are disassembled and replaced.