The ninth annual session of the China Disaster Defense Association was held in the beautiful metropolis-Tianjin in October 2020. This annual session was hosted by China Civil Aviation University. The theme of this annual meeting is: intelligent risk analysis and crisis response. Scholars, experts, engineering technicians, government officials and entrepreneurs engaged in risk science research, risk system management, risk technology development, crisis response and emergency management actively responded to the meeting. They actively contributed and participated in the meeting, and focused on the application of intelligent risk analysis in earthquake disasters, meteorological disasters, chemical park risk investigation and natural disasters Academic exchanges were carried out in risk analysis, risk assessment methods and models, environmental and ecological risk analysis, public health risk analysis and financial risk analysis.