The invention relates to a memory device for testing the level of movie and relative testing method, wherein it is adapted with reader and displayer with level chip; the memory unit stores the dual detect composite images, while each one comprises one detect control signal; when the reader reads one detect composite image to transmit it to the displayer; if said image not belongs to the level composite image shaded by the level chip, the displayer displays it; or else, displays one shade information. |