The method of elimination of black mosquito bites depends mainly on the degree of pathological reaction of the skin after black mosquito bites. If after the bite of black mosquitoes, the formation of local inflammatory reaction is very obvious, and there is a certain amount of redness and swelling, it is necessary to promptly use 3% boric acid solution for cold compresses or use saline for cold compresses. If there is redness and swelling, accompanied by blisters, and there are vesicles, there may be infection, need to use anti-inflammatory or anti-infective ointment. Usually you can use mupirocin cream or fusidic acid cream for external application, and then oral antibiotics and antihistamines, antibiotics can choose roxithromycin, antihistamines can choose levocetirizine hydrochloride.