Very itchy bumps where the belt strangles may be due to factors such as pressure urticaria and contact dermatitis. You can choose general treatment, medication and other methods of relief. 1. Pressure urticaria: It should be removed as soon as possible to remove the local pressure irritation, while the external glycerine lotion application, to play the purpose of itching. 2. Contact dermatitis: some patients may belong to the allergic body, in contact with the material of the belt, may cause an allergic reaction, the belt strangulation of the place of itchy bumps symptoms, the need to promptly remove the triggering factors, at the same time can be coated with glucocorticoid ointment such as mometasone furoate cream, etc., but also can be coadministered with oral antihistamines such as chlortetracycline and so on. If the patient’s symptoms are serious, or the symptoms continue and have not improved, should be timely to the hospital for treatment, the above drugs need to be used in accordance with the doctor’s instructions, do not blindly use drugs.