In baidu yes on bought a bag of cockroach medicine, that a you open it, ran out a living small cockroaches.

Baidu has bought a bag of cockroaches on the ah, the results of an open, which ran out of a live small cockroaches.

Methods Drug stimulating method is used to investigate the cockroach density and its populo-tion, and questionnaire was used to learn the reason of cockroaches breeding.