Mouth swollen by mosquito bites, you can give some anti-allergic anti-itch as well as anti-inflammatory drug treatment, at the same time pay attention to good skin care. 1. Medication: (1) topical medication: local topical application of some anti-inflammatory and anti-allergic drugs can alleviate the allergic reaction caused by mosquito bites, such as topical fluoride acetate easy ice cream, salbutamol cream and so on. (2) Oral drug treatment: when the redness and swelling are obvious, you can take oral anti-allergic drug treatment, such as loratadine tablets, ipecac tablets, etc.. Severe cases can be temporarily treated with systemic glucocorticoids. 2. Pay attention to good skin care: keep the local skin clean, avoid scratching and squeezing, avoid using hot water to wash. Due to the different physique of individuals, the effect of medication will also have certain differences, the specific situation needs to be invited to the doctor’s consultation to choose the appropriate drug treatment.