The myth of Manchu origin was narrated in different versions with the same theme and variant details. Based on Manchu documents, the myth of Manchu origin has two early versions that were written in Manchu with minor differences in the narration of the story. From the earliest version of 1635 to the version compiled in the nineteenth century, all the authors highlight that the origin of the Manchu people as coming from a heavenly being, with the purpose of reinforcing the Qing dynasty’s legitimacy as coming from the heaven, as was officially declared by the Qing government throughout the dynasty. This article makes a comparative study based on evidential research on the facts contained in different versions of the myth and the time periods of composition.