Black marks from mosquito bites can gradually fade away on their own, and topical application of medication can help to speed up their elimination, and if necessary, they can be treated by laser. After being bitten by mosquitoes, local inflammatory reaction occurs, which will leave a certain degree of hyperpigmentation, manifested as black marks. This kind of black marks with the skin’s metabolism will gradually fade on its own, eliminated. Pay attention to avoid frequent stimulation of the local, keep the local clean and pay attention to sunscreen can be. If you want to speed up the elimination of black marks, you can use vitamin E cream, Vitamin A cream, hydroquinone cream and other drugs, the use of Vitamin A cream should pay attention to the local sunscreen, pregnancy and preparation for pregnancy women should avoid using. If the black marks persist for a long time, there is no obvious effect even after using the cream, you can remove the melanin deposited locally through laser treatment. Please consult your doctor for specific removal methods and follow the doctor’s instructions for medication. Daily attention should be paid to good anti-mosquito measures.