Papular urticaria, also known as insect bite dermatitis, can be treated systemically using topical medications in conjunction with internal medications. Insect bite dermatitis is closely related to an individual’s living environment and manifests as papules with pain or itching and a history of going outside. Various kinds of insect bite dermatitis symptoms are mild, you can use topical drugs such as halometasone cream, internal antihistamine drugs such as loratadine, etc.; severe symptoms, you can short-term oral glucocorticoids, such as prednisone, etc. for systemic treatment. For bee stings caused by should also be pulled out the stinger, rinse with water, tick bites should be ether or local anesthetic to anesthetize it, and then gently pull out with tweezers, there is an infection, should be systemic antibiotics such as penicillin. Regardless of which kind of insect bite dermatitis, should be timely consultation, under the guidance of the doctor for standardized treatment, do not self-medication. At the same time, daily attention to personal hygiene, away from flowers and plants, travel well prepared to prevent insects.