Summer toddlers are mosquito bites after redness and swelling can be rinsed with soap and water, if the redness and swelling does not subside for a long time or continue to aggravate should seek medical treatment. Summer mosquito bites can be immediately washed with soap and water, neutralize the toxins, reduce the allergic reaction, and pay attention to trimming the child’s nails to prevent scratching caused by infection. If the long time does not subside or the itch is obvious, you can use topical corticosteroid ointment under the guidance of a doctor, itching solution ointment for treatment, such as hydrocortisone cream, salbutamol ointment. If the number of rashes is large and the symptoms are more serious, oral antihistamines such as cetirizine and loratadine can be taken under medical supervision. If the skin is infected with bacteria after being bitten, you can also follow the doctor’s instructions to use topical antibiotics, such as erythromycin ointment. If the symptoms worsen, you should seek medical treatment, do not take medication without authorization, so as not to delay the condition. Usually avoid scratching, keep local skin hygiene.