Local itching, redness and swelling after mosquito bites can be treated locally and systematically to stop the itching, and the effect cannot be generalized because of the different constitution of individuals, so there is no such thing as quick itching relief. 1. Local treatment: you can use glycerine lotion, glucocorticoid ointment such as mometasone furoate to stop itching and swelling, if the lesions have ulcerated surfaces, you can use antibiotic ointment such as mupirocin ointment. 2. Systemic treatment: If the patient has obvious itching, it can be combined with oral antihistamine drugs such as cetirizine and ibastine. 3. Other: pay attention to the hygiene of the surrounding environment, you can use insecticides to kill the surrounding environment, when going out, it is recommended to wear long clothes and long pants, tighten the cuffs, trouser cuffs and so on. If the symptoms continue to be unrelieved, or the local redness and swelling worsen, it is recommended to go to the hospital in time. The above medications should be used in accordance with medical advice.