Mosquito bites after the skin will appear corresponding allergic reactions, medically known as insect bite dermatitis, patients can be accompanied by itching, redness, blisters and other phenomena, when serious may also cause systemic symptoms. In addition, mosquito bites may also spread certain infectious diseases. Therefore, active prevention, to avoid mosquito bites is necessary. Especially in the mosquito-infested summer, due to the hot weather, wearing shorts and short-sleeved clothes exposed more skin, more likely to bite, resulting in the occurrence of insect bite dermatitis. In order to effectively avoid mosquito bites, you can take part of the physical or chemical methods: a. Physical methods: 1, the use of protective tools: you can use screens, mosquito nets, protective clothing, etc. for isolation, thereby reducing mosquito infestation. Daily can wear long-sleeved clothes, increase the coverage area, especially into the mountains and forests and other areas with more mosquitoes, if necessary, you can also wear anti-mosquito caps, goggles and other equipment; 2, kill mosquitoes: according to the characteristics of mosquitoes, the use of special odor or light source of pest control devices, such as sticky fly board, mosquito lamp, etc., to attract mosquitoes, so as to kill the effect; 3, repel mosquitoes: you can place mugwort, mosquito repellent grass, etc. with Special aromatic smell of plants, or apply flower lotion, anthracite and other mosquito repellent potions to help repel mosquitoes. Second, chemical methods: Fenthion, trichlorfon, hexachlorobenzene and other chemical drugs can be effective in killing mosquitoes, but the use of ventilation needs to pay attention to, as far as possible, not in a more closed environment. As these drugs have a certain impact on the human body, if there are children at home, pregnant women and other special people, it is not recommended to use this method to kill mosquitoes. In addition to the above methods, you also need to pay attention to keep the environment clean and sanitary, timely dumping of garbage to avoid mosquito breeding, from the source to reduce the appearance of mosquitoes. If the family pet carries fleas, ticks and other parasites, should be treated in a timely manner, and the pet is isolated. Camping or for other reasons need to live in the field, can be in the tent or around the area sprinkled with lime, for mosquitoes also have a certain role in repelling, can be a greater degree to avoid mosquito bites.