By mobilizing and organizing the masses to take protective measures, building civil air defense works, communication and alarm facilities, formulating protection and emergency repair plans for important economic targets, establishing mass air defense organizations, and making good preparations for the evacuation and resettlement of urban population, the government can achieve the purpose of protecting people's lives and property. Daily chemical technology extends the smart civil air defense construction mode to the smart emergency system construction. The intelligent emergency evacuation command system based on big data with independent intellectual property rights and artificial intelligence core technology has integrated and efficient operation and maintenance functions such as monitoring and early warning, plan management, auxiliary decision-making, dispatching and command, emergency evacuation, etc., and realizes a rapid response and effective disposal system for major emergencies. In a short time, it has been highly recognized and selected by the military, government, public security, transportation, enterprises, parks, schools, communities, tourist attractions and other fields, successfully breaking through the field of smart emergency and entering a stage of rapid and stable development.