Disclosed is a nameplate sealing board. The nameplate sealing board comprises a door frame. A door is installed inside the door frame. A handle is installed on the door. A pulling frame is fixedly installed on the door and the door frame. A nameplate is installed inside the pulling frame. Prompting characters or pattern colors are arranged on the nameplate. The nameplate can be inserted into or pulled out of the right side or the upper side of the pulling frame. The nameplate sealing board has the advantages that the nameplate can be easily hung, a protection screen door without the overhauling work is locked, therefore, standardization is achieved, and the portion which is required to be overhauled can be more specifically and clearly indicated.