Living in the busy environment of modern city, people would like to have some plants around to adjust the living atmosphere, for plants not only prettify the area, but also refresh the air. Nevertheless, plants also attracts insects to come, which affects the living comfort, more over, it might cause serious diseases like Denque fever. In view of this, the design divides the plant pot into two pieces; the upper one is for regular planting while the lower part works for bug trapping, especially suit for nature trapping methods such as sugar water or alkaline water. The design satisfies both human needs and environment protection