Less than a month after creating Yuwen Chan crown prince, Emperor Xuan formally passed the throne to Yuwen Chan (as Emperor Jing). Emperor Xuan himself claimed the atypical title of "Emperor Tianyuan" (天元皇帝, Tianyuan Huangdi), rather than the expected retired emperor title of Taishang Huang.
Shortly after creating the crown prince Yuwen Chan, Emperor Xuan relinquished the throne to Yuwen Chan (who became Emperor Jing). Emperor Xuan instead chose to use the unusual title "Emperor Tianyuan" (天元皇帝, Tianyuan Huangdi), rather than the customary title for a retired emperor.