This paper analyzes and discusses the common iron sheet-shaped objects and iron hook-shaped objects found in tombs from the Three Kingdoms period to the Northern Dynasties in Chang'an and Luoyang areas.It is believed that they are ground certificates,along streamer inscribed with the deceased's official title and name posted in front of a coffin,the head of the flagpole with the turtle-snake flag,respectively.These insights are of great significance for the study of funeral customs during this period.