Safety Urban Planning and Design Based on Disaster Prevention, Crime Prevention and Psychological Safety

In order to ensure the public safety of residential areas, starting with the urban public safety of Xi'an, the construction environment of defense safety, fire safety and traffic safety, and the public safety environment of residential areas are investigated. According to the characteristics of housing in Xi'an planned economy era and market economy era, the existing situation is analyzed from the aspects of overall planning layout, road traffic space, building monomer, public activity space, greening space, and lighting facilities. Based on the analysis results, the principles of planning and design of public safety space environment in Xi'an residential areas are put forward. The planning and design methods of residential space environment are discussed and studied in detail from the aspects of residential defense safety, fire safety, and traffic safety, so as to provide reference for the planning and design of urban residential safety and to create a safe, healthy and harmonious living environment for residents.