Cockroach spread many disease in human being and pet animal like cat and dog. Cockroach spread many disease like allergies, substantial of bacteria, funguses, molds and a couple of viruses. Also cockroach carry many disease place to place in human being. Cockroach spread also polio disease. The W.H.O also recommended applies of pesticide in proper way for cockroach control. Pestokil Bangladesh knows apply pesticide in proper way.