An uigwe writing protocols about Gyeongmo palace, which is a shrine of Jeongjo’s birthfather crown prince Jangheon (1735-1762) and princess Heongyeong (1735-1815) in 1783 (Year 7 of Jeongjo). Total four volumes consist of an illustration, ritual process, previous examples and memorial service each. In the first volume illustration, it contains arrangement of Gyeongmo palace, enshrinement, and a royal progress. Ritual process writes about the royal protocol and established rules and forms. In the previous example book, it records all kinds of rituals held when crown prince Jangheon was alive. In the memorial service part, it writes the process of building Gyeongmo palace after Jeongjo became a king, and about revering crown prince Jangheon’s life.