在大张旗鼓的城市化运动中,世人都看到城市环境污染、生态恶化和城市特色消失、文化品位下滑等等极为沉重的城市问题。本文为此以深圳为例,推出对城市规划实行“四线”(“绿线”、“蓝线”、“灰线”、“红线”)控制的观点,在日后城市规划编制、调整、实施当中,为上述问题的缓解和解决,提供可操作的规划模式和理论依据。 In the high-profile urbanization movement, people all over the world have seen the extremely heavy urban problems such as urban environmental pollution, ecological deterioration and the disappearance of urban features and cultural tastes. This paper takes Shenzhen as an example to introduce the concept of “four lines” (“green line”, “blue line”, “gray line”, “red line” In the future, urban planning compilation, adjustment and implementation, in order to alleviate and solve the above problems, to provide operational planning model and theoretical basis.