Based on the analysis of the number of Beijing Citizen Service Hotline in 2020，this paper analyzes the problem of epidemic prevention and control，market management，public service，housing，medical and health，urban and rural construction，traffic management，social order，labor and social security，education and so on，which are strongly reflected by Beijing Citizen. It also analyzes the changes of handling subjects and the differences of handling conditions in different functional areas Five characteristic of n resolving contradictions and disputes in Beijing 2020. From the perspective of strengthening cooperation，finding short board，strengthening community，paying attention to social organizations and media，this paper put forward some suggestions to further prevent and resolve conflicts and disputes.