Papular urticaria is generally considered to be closely related to mosquito bites, and specific treatment drugs should be selected according to the severity of clinical symptoms and the age of patients. 1, if the clinical symptoms are mild, that is, the rash is scattered, the number is small, and the symptoms of itching are not obvious, children can be given desensitizing drugs such as desloratadine suspension orally, and adults can be given loratadine or ebastine orally. 2. Patients with severe clinical symptoms, that is, those with a large number of rashes and severe itching, are repeatedly reported. It is recommended that traditional Chinese medicine should be taken orally, and it is recommended to go to the dermatology department of a regular tertiary Chinese medicine hospital to prescribe decoction (both boiled and taken orally) based on syndrome differentiation, and the effect is good.