Localized swelling of insect bites is usually a local allergic inflammatory reaction, if the symptoms are relatively mild, just topical ointment can be treated. Usually the topical ointment is divided into western medicine ointment and proprietary Chinese medicine ointment, western medicine ointment commonly used ointment dexamethasone ointment, salbutamol ointment, etc., are able to have anti-inflammatory and anti-allergic effect. In addition, if it is a proprietary Chinese medicine ointment, commonly used Pientzehuang ointment, seven flavors of detoxification and blood circulation ointment, the Chinese medicine ingredients have heat detoxification, anti-inflammatory and pain relieving, anti-itching effect, mosquito bites also have a better effect, but also can be taken orally to anti-allergic drugs such as commonly used cetirizine, chlorotetracycline, these two kinds of drugs.