Bedbugs occurred more in the past, once one of the “four pests”, but with the improvement of urban sanitation, bedbugs once disappeared. But in recent years, with the increase in the mobile population, bedbugs and the trend of resurgence, mainly by hiding in clothing and luggage with the flow of people and spread, in factory dormitories and other more difficult to manage the living environment is very common. Bedbugs are more active in the summer, generally hiding in the cracks of the walls, furniture, clothing, bedding, pillows, mattresses, bedpans, camp group life, and at night after people go to sleep out of activities, crawl to the skin stinging human blood, its action is very agile, when people turn on the lights, they will quickly escape back to the shadows in the cracks. Bedbugs have stink glands in their bodies, which can leave an unpleasant odor where they crawl through, hence the name bedbugs, which can carry a variety of pathogenic microorganisms, such as Q fever Rickettsia, Leishmania, Mycobacterium leprae, hepatitis B virus, etc. At the same time, its night sting sucking human blood, causing itching, interfering with people’s rest, long-term living in the bedbug nuisance environment, can cause anemia, hypersensitivity and insomnia, weakness and other symptoms, greatly endangering the people’s health. Because the bedbugs are very hidden, and its vitality is very strong, after sucking blood can not eat and drink for a year, to bring some difficulties in the prevention. Family bedbug prevention, first of all, we must pay attention to good hygiene, clear the home of debris, blocking wall cracks, maintain personal hygiene, laundry, bedding, etc.; for families that have been breeding bedbugs, can be used to soak clothes, sheets, mosquito nets, etc., can also be clothing, sheets in the sun for 4 hours, and turn from time to time. In bedbugs occur more often, boiling water can be used to infuse the bedpan seams to scald the bedbugs inside, if necessary, replace the bedpan, while insecticide prevention methods can be used, commonly used drugs such as permethrin, fenthion, etc., in accordance with the instructions for the use of powder sprinkled on the surface of the bedpan, closet and other furniture and seams, or mixed into a drug paste, infused in the seams, you can also use a sprayer for stagnant spraying, the liquid sprayed on the surface and crevices to kill. It should be noted that the drug treatment can not kill only once, because it may not kill the eggs, and so on half a month or so, the small bedbugs hatch out and kill again, a total of 2 to 3 times to kill to completely remove. The key point is that, no matter which method is used, it is necessary to do a comprehensive treatment, all rooms should be treated, when possible, it is best to deal with a floor or a building to prevent bedbugs crawl migration and foregone. At the same time, it is recommended that in departments such as factories with high staff mobility, should do a good job of screening new employees, found to carry bedbugs, to kill their belongings at, and then move in, which can be a good way to prevent the spread of bedbugs.