Abstract: The standards of which official documents must be stamped with the official seal and which official documents can be stamped without the official seal are different in different organs. This paper puts forward some views and basis on several situations in which official documents can be stamped without official seal. The minutes of the meeting of a specific format document are not stamped with the official seal; Orders (orders) and motions must be signed by the leaders (or stamped with the leaders' signature seal), without the official seal; The official document of the resolution passed by the statutory meeting shall not be stamped with the official seal; Joint submission of official documents can not be stamped with the seal of the organizer.