关键词: 蜚蠊, 密度, 综合防制

Abstract: The author has made an investigation on the density of cockroach in the hospital with a method of using 0.3% chlorachrysanthenol to stimulate the roaches within forty three departments in this hospital in order to find out the number of the bug and better way of killing.525 bugs were found within 250 rooms, averagely 2.1 roaches in each room. It was decreased to 0.19 per room with a reducing rate of 90.52% after the integrated prevention by the combination of surrounding management and chemical pesticide application.