The appearance of red bumps on the body especially itchy, consider is due to mosquito bites, eczema, urticaria and other factors, can be treated by topical drugs, oral medication. 1. Mosquito bites: patients may be mosquito bites, thus appearing on the body red bumps symptoms, can be applied through the topical glycerine lotion and Benadryl cream, can play a cool anti-itch effect. Attention should be paid to protection, avoid to mosquito places. 2. Eczema: consider and contact with allergens related factors, after diagnosis, can cooperate with the doctor to choose glycerine lotion, plus oral loratadine, cetirizine and other drugs to improve the patient’s symptoms. 3. Urticaria: mainly manifested in the body of the wind and angioedema, and food, drug allergies and other factors related to the need to remove the triggers in a timely manner, the use of mometasone furoate ointment topical itching, while oral phenylephrine, cetirizine and other drugs treatment. The red bumps on the body is particularly itchy suggest timely consultation, under the guidance of the doctor to use medication, not blindly self-medication, in order to avoid adverse effects.