| In urban resident environment, we attach importance to the problem of defensible security. With the unceasing development of urban society and economy, the problem of security is rigorous in urban resident environment, it is new challenge that planning design in resident environment. Then it is very necessary and realistic value that we research the problem of defensible security in urban resident environment.It is historical course of unceasing improvement and accumulation that urban resident environment turns out and evolves, so it is secure of resident fundamental problem. From research analysis, now we get on closely analyzing the problem of security in resident environment about society, economy, technology and space environment. Defensible safety effect resident building and environment form historical change, and defensible safety planning design in country modern urban resident environment. We analyze background and reason of the problem of defensible security in resident environment, and we expound the in country and overseas theory of developing present situation and comparative analysis. From the theory, we sum up the defensible measure of problem of security in urban resident environment, and may guide virtual planning design of resident environment.From multiangular side, the paper analyzes the problem of defensible security in urban resident environment, and submits homologous measure. It is foremost that we hold out the method of settling the problem of safety. It is important practical meaning that paper research the problem of defensible security in urban resident environment, and paper get out of referenced role in planning design of resident environment. |