Datong coalfield is one of the famous coal fields in China, including Datong, Huairen, Zuoyun, Youyu, Shanyin etc.. Based on the data collected from every coal mine in Datong coalfield, the development characteristics and causes of collapse column in Datong coalfield were analyzed and discussed through comparative analysis and reference data. The general law of the collapse column development in Datong coal field was summarized, and its causes were