It is recommended not to eat anything that has been crawled by cockroaches. Cockroaches belong to one of the “four pests” and often live in dark, humid environments, which is exactly the place where parasites or pathogenic bacteria reproduce. Cockroach body surface attached to Escherichia coli, plague bacillus, Salmonella and other pathogenic bacteria, but also carry roundworm eggs, mites, pinworm eggs, and other insects or parasites. It is entirely possible that cockroaches may carry pathogens on them, and there is a risk of infection after consumption, so it is recommended that you do not eat anything that has been crawled by cockroaches. Although the cockroach crawled things can be cleaned, through boiling, heating, disinfection can kill the contaminated pathogens, but there is still a chance of disease. Usually should pay attention to dietary hygiene, if you find cockroaches at home, should be used as soon as possible to eliminate insecticides.