On the morning of March 17, Zhang Hongsheng, Director of the Registration Center of Beijing Municipal Bureau of Land and Resources, took a team of 5 members to Miyun Branch to instruct work. They first listened to the work reports on file digitalization, land registration certification systems, and the registration of military lands, security lands, and lands of the central government by the executive leaders and relevant department of Miyun Branch, and then gave answers to the questions raised on site. After that, they carried out spot check on the land registration and certification files of Miyun Branch.