Geographical，Customs and Historical Ｒecord of Yunnan Province in Northern Song Dynasty was completed in the early Northern Song Dynasty，and its specific contents are not available for textual research nowadays． However，according to some ancient books，it can be seen that the original book was about not only the geography and customs of Yunnan province，but also some local historical materials． At the same time，there are differences for the records such as whether the author is Xin Yixian or not，the author's native place and official position． Therefore，a conclusion is provided which is close to the history with the combination of various historical documents，the textual research of the author，and the author's native place and the official position．