Based on the existing problems of disaster prevention system in high-tech zones of?Jiaozuo?City,?this?paper?establishes?the?disaster?prevention?index?system?of?community public?space,?and?adopts?the?AHP?to?analyze?the?disaster?prevention?potential?of?traffic, small,?medium,?and?large?public?space.?Then?it?proposes?the?countermeasures?of?designing community public space and enhancing the disaster prevention and self-help capabilities of community-the basic unit of city.