Monument stone, with strong oriental color and strong cultural value, has long influenced many disciplines such as culture, history and archaeology in China. In ancient China, it was generally presented in the form of tablets, calligraphy inscriptions and tomb supplies.

The structure of the monument is generally divided into three parts: the monument head, the monument body and the monument seat. The head of the monument is mainly carved with some names, or it only plays a decorative role; Inscription on the tablet; The pedestal plays the role of bearing and decoration. After the Ming Dynasty, the pedestal was changed from turtle shape to turtle shape. It is said that it is one of the nine sons of the dragon and is good at carrying loads.