Abstract: Disaster-prevention park was the important part of the city disaster-prevention system, assessment of safety of disaster-prevention parks was significant to save the lives and avoid harming again. Basing on the satety assessment of Bishagang Park in Zhengzhou City, the paper summarized the existing problems, and brought up corresponding countermeasure. The authors suggested to construct the rational disaster-prevention parks system, and set up mechanism of collaboration in traffic, information and telecommunication. The ability to resist disaster of Zhengzhou City was been enhanced.