NOVELTY - Detecting ceramic point defect structure by thermoelectric power current process, comprises (i) testing the purity of zinc oxide powder, and sintering; (ii) preparing thermoelectric power current test line; (iii) carrying out current test; (iv) placing metal plate on a heating device; (v) passing step (iv) product respectively into cooling device and heating device; (vi) detecting the step (v) product under microammeter conditions, and recording the data; (vii) determining the data recorded in step (vi); and (viii) calculating the thermoelectric power activation current.    USE - The method is useful for detecting ceramic point defect structure by thermoelectric power current process (claimed).    ADVANTAGE - The method accurately detects the intrinsic point defect structure of zinc oxide ceramics.    DETAILED DESCRIPTION - Detecting ceramic point defect structure by thermoelectric power current process, comprises (i) testing the purity of zinc oxide powder pressed into circular zinc oxide green sheet, according to traditional electronic ceramics processing process, and sintering green zinc oxide, subjecting to surface treatment using silver electrode, to obtain zinc oxide ceramic wafer surface silver electrodes; (ii) preparing thermoelectric power current test line; (iii) taking steps (i) and (ii) products, carrying out current test (in microammeter), and binding alumina single crystal flakes in device under test; (iv) placing the step (iii) test body into a metal plate, then placing the metal plate on a heating device, where the heating device is connected to a temperature control system by wires, and placing the surface of the test body into a cooling device; (v) passing step (iv) product respectively into the cooling device and heating device, so that the upper surface of the test body and the lower surface of the test body formed have desired temperature difference between; (vi) detecting the step (v) product under microammeter conditions, and recording the data; (vii) determining the data recorded in step (vi), according to thermoelectric power current and carrier type conditions; and (viii) calculating the thermoelectric power activation current, according to temperature activation energy of point defects results, to obtain the final product.