The larger the mosquito bite does not necessarily mean that the toxicity is stronger, but may also be related to personal constitution. As a result of mosquito bites and skin reactions, also known as insect bite dermatitis in the clinic, also known as pimple urticaria, the severity of its clinical symptoms, in addition to the toxicity of mosquitoes and insects are related to the strength of the body, but also with personal constitution. 1. From the mosquito toxicity, the toxicity of mosquito bites the skin after the degree of reaction will be significantly increased, may be manifested as a larger rash, itching and pain symptoms are serious. 2. From the personal constitution, for some allergic populations or low immunity of the population, in the mosquito bite local skin reaction will be heavier, can be manifested as redness and swelling, can also be accompanied by obvious itching. Whether the mosquito toxicity is strong, or personal constitution factors, for mosquito bites after the bite of the bag, be sure to give the appropriate medication under the guidance of a doctor.