What's the use of the golden urn? What is the historical significance of this practice by the Qing government?

The system of drawing lots from golden urn in Qing Dynasty is the confirmation of reincarnation of Tibetan Buddhism.

The system of casting lots for golden urn in Qing Dynasty was the reform of the administrative system of Tibet by the central government, which not only reflected the authority of the central government, but also reflected the historical fact that Tibet was under the jurisdiction of the central government. It is conducive to maintaining and stabilizing the social situation in Mongolia and Tibet.