The present invention relates to a ceramic heat exchange plate and an air pre-heater assembled thereby. The air pre-heater comprises a housing, the housing being provided with a lining therein and an access hole thereon. A heat exchange core is arranged inside the lining, and consists of a plurality of ceramic heat exchange plates, side connecting bolt assemblies, corner connecting bolt assemblies and side sealing strips, which are superimposed in a staggered manner; the plurality of ceramic heat exchange plates form a flue gas channel and an air channel which are intersected crisscross, and the flue gas channel and the air channel are not communicated to each other; a flue gas inlet and a flue gas outlet are arranged on a front surface and a rear surface of the housing, respectively; and an air inlet and an air outlet are arranged on a left surface and a right surface of the housing, respectively.