Today, people wearing the badge of "Cockroach Control Center" also appeared in Yuanling Community, Futian District, knocking at the door. It is said that medicine will be released from the sewer at 9 pm 1 1. My nanny thought it was a staff member of the Health Bureau, so she left it at home. The man first looked at the kitchen and toilet, and then poked around each room. As he didn't wear overshoes when he entered the room, I was a little suspicious. Because people from gas companies and water companies have to wear overshoes when they enter the house. Finally, the householder must sign to buy medicine. Before getting the signature, I pointed out that there was something wrong with his badge. Under questioning, the man had to say that he would not kill insects for your family, and then fled in panic. I hope Shenzhen citizens must be careful. First of all, don't open the door, let alone sign it. Otherwise, I cheated the money and let the thief know the living conditions.