The discovery of painted pottery in Dadi Wan in Gansu province solved the problem of the origin of Chinese painted pottery art  At the beginning of the 20 th century, in order to explore the origin of Chinese civilization, the academic circles made attempts and efforts from two angles of archaeology and literature  In 1923, in order to find the origin of painted pottery, the Swedish geologist Johan Gunnar Andersson came to Gansu, with Gansu Majiayao painted pottery unearthed continuously, Johan Gunnar Andersson thought, Gansu painted pottery by Western Europe, western Asia painted pottery more obvious impact
However, the painted pottery unearthed in the Dadiwan period is obviously earlier than that of the Majia kiln and is similar to the pottery culture of IEMMO in the Tigris and Euphrates, which is the earliest to be found, the age of the Hasuna culture is roughly the same
Gansu is one of the earliest regions in the world where painted pottery was produced.