The main causes of a large number of flaky bumps on the body are urticaria, eczema, contact dermatitis and so on. 1. Urticaria: mostly caused by allergy, can be manifested as wind bumps and (or) angioedema, which can be distributed in isolation or in patches. The severity of the disease varies from person to person, and most of them can be cured after removing the causes. Antihistamines such as loratadine can be given for the treatment, and at the same time, we should actively search for allergens and remove the triggering factors, such as forbidding the allergic food, avoiding contact with animal fur and dust, and so on. 2. Eczema: It is a kind of skin inflammatory disease, which can be manifested as flaky erythema, papules and papules or even oozing, crusting and blistering. Treatment is based on finding the cause of the disease, controlling symptoms and reducing recurrence. Antihistamines such as loratadine can be used internally, and glucocorticoid ointments such as halometasone can be used locally. 3. Contact dermatitis: localized inflammatory skin reaction caused by contact with certain substances, which can be manifested as flaky erythema, papules and so on. Antihistamines such as loratadine and cetirizine can be given to relieve itching, and glucocorticoid drugs such as prednisone can be given when symptoms are severe. When a large number of flaky bumps appear on the body, you must go to the dermatology department of the regular hospital, under the guidance of the interview doctor, the correct use of medication.