通过调查分析 ,首次确立了城市居住区火灾风险评价的基本单元 ,提出了居住区火灾风险评价的基本思路 ,重点是创建了居住区火灾风险评价的指标体系 ,并建立了相应权重计算及线性加权评价模型 ,同时给出了居住区火灾风险的等级 Through investigation and analysis, the basic unit for fire risk assessment of residential areas in cities has been established for the first time, and the basic ideas for fire risk assessment in residential areas have been put forward. The key point is to create an index system of fire risk assessment in residential areas and establish corresponding weight calculations and linear weightings. Evaluate the model and give the rating of fire risk in residential areas