Skin bitten by mosquitoes belongs to insect bite dermatitis, there is no such thing as what to rub the best, you can use glycerite lotion; or glucocorticoid ointment, such as compound dexamethasone ointment, tretinoin cream, etc.; if there is secondary infection, you need to use erythromycin ointment, mupirocin ointment and other antibiotic ointment. Insect bite dermatitis will appear skin petechiae, wind bumps, pimples, petechiae, causing itching and other symptoms, you can apply glycerine lotion, has the effect of antipruritic astringent; you can also use glucocorticoid ointment, such as compound dexamethasone ointment, tretinoin cream, with anti-inflammatory and anti-allergic antipruritic effect; if there are secondary bacterial infections, you can use erythromycin ointment, mupirocin ointment, and other antibiotic ointment If there is a secondary bacterial infection, antibiotic ointment such as erythromycin ointment and mupirocin ointment can be used. If you need to use medication, it is recommended to find a doctor to check first, the drug should be used under the guidance of a professional doctor.