The utility model discloses a device of accurate adjustment pre -buried steel plate height journey, its characterized in that: shaped steel support including several interval distribution, the bottom of shaped steel support is fixed in the concrete cushion through the steel pipe support respectively, the nut at shaped steel support top, adjusting bolt is installed in the cooperation on the nut, pre -buried steel sheet is installed on adjusting bolt's top, be equipped with exhaust hole and fill orifice on the pre -buried steel sheet. The utility model has the advantages of reasonable design, adopt shaped steel support multiple spot position and support the pre -buried steel sheet that the shoe covered by a large scale, weight is big, guaranteed the stability of whole steel reinforcement cage and pre -buried steel sheet, utilize bolt adjustment to reach the accuracy nature of carrying out the pre -buried steel sheet elevation positioning of lid on it simultaneously, and through begin to rehearse gas pocket and fill orifice, solve pre -buried steel sheet lower part the concrete insufficient and gaseous problem that can't get rid of of vibrating on pre -buried steel sheet.