Finger mosquito bites and swollen and painful is insect bite dermatitis, can be adjusted through general treatment, medication and other measures. 1. General treatment: first of all, you should keep the skin clean and hygienic, avoid using hot water to wash, you can use cold water to rinse, or use a cool towel ice cube to apply cold compresses, to relieve the symptoms of local edema, but also to reduce the pain. At the same time, drink more water and eat more vegetables, avoid localized excessive force, avoid scratching or squeezing, and avoid mental stress. 2. Drug treatment: you can use glycerine lotion and so on, follow the doctor’s instructions to use compound dexamethasone cream and other medications. If the pain is serious, you can use lincomycin lidocaine gel to relieve the symptoms. If accompanied by itching and so on, can follow the doctor’s prescription oral antihistamine treatment, such as loratadine and so on. If accompanied by fever and other systemic symptoms, can follow the doctor’s instructions systematic application of glucocorticoid treatment. It is recommended that patients with insect bite dermatitis go to a regular hospital in time, under the guidance of the doctor to standardize the use of medication, to avoid the adverse effects of self-medication.