Transparent small blisters on the body and very itchy, mainly consider the following causes: 1, papular urticaria: an allergic skin disease caused by mosquito bites later, can appear on the body erythema, papules, papules, accompanied by itching. In the treatment, if the patient has mild itching, a small amount of blisters, you can use topical compound camphor cream. If the patient has a large number of blisters around the body and the itching is severe, a mixture of mometasone furoate cream and urea vitamin E cream can be applied topically, and oral orotropic tablets can be taken at the same time. During the treatment period, patients need to abstain from spicy and irritating food and alcohol, and must apply mosquito repellent drops or ointments when going out. 2, familial benign chronic aspergillosis: a genetic skin disease, mostly seen in young adults, in the skin folds, such as the neck, armpits, groin can repeatedly appear blisters, vesicles, and accompanied by itching, the disease is a chronic process, can periodically appear blisters, itching, and can complete remission, with typical characteristic changes in skin pathology. In terms of treatment, if the blisters are not ruptured and are accompanied by mild itching, topical glycolic lotion can be used. If the patient presents with ruptured circumscribed blisters with intense itching, a mixture of zinc oxide oil and recombinant human epidermal growth factor gel can be applied topically, and oral rosmarinic acid capsules and compound glycopyrrolate tablets can also be combined with red light therapy. During the treatment period, patients need to eat lightly and avoid water to prevent infection. Therefore, for patients with small clear blisters on the body with itching, it is recommended to go to the dermatology department to guide clinical treatment after appropriate laboratory tests under the guidance of a professional dermatologist.