Proteins in cockroach feces are important substances that cause allergic rhinitis and asthma, and are a risk factor for persistent asthma in children, especially those living in crowded rooms and cities. For families with asthmatic children, it is advisable to remove cockroaches from the house. Methods of removing cockroaches indoors are as follows: Improve environmental hygiene and remove cockroach habitats: carefully check the gutters, cracks on the walls, floors, partitions and windows to prevent cockroaches from entering; keep the house dry, cockroaches mostly live in humid environments, so care should be taken not to have any leakage of water, especially in kitchens; keep the house clean, and close up the food in time after meals in a clean and dry environment. Clean up the garbage in the garbage bag on the ground in time, and rinse the tableware with hot water, unclean tableware will attract cockroaches; in addition, the stove and other places should be cleaned regularly. Physical prevention and control: the physical prevention and control methods for cockroaches are various, most of them are relatively simple and economical, and can be applied in places where it is inconvenient to use insecticides, especially for places with low density of cockroaches. Commonly used methods are: the use of sticky cockroach paper on the cockroach sticky capture; kitchen, canteen and other cockroach places can be used to boil water or steam directly poured everywhere in the crevice holes and corners, scalding to kill the cockroaches and eggs hidden in them; in the winter, when the temperature drops to 0 ℃ or below, can be in the kitchen cabinets, bugs and indoor estimates of cockroaches hiding boxes and so on to the outdoors on the open space to clean up, pouncing, the cockroaches inside the freezing death and fall to the ground. . Chemical control: it is an important means of comprehensive cockroach control, and is also the main measure taken to exterminate cockroaches in our cities and towns. Generally use pyrethroid drugs. Clean up after extermination: after cockroach killing, attention should be paid to collecting the egg sheaths of cockroach corpses and centralized burning.