Bumps on the body are considered in the following conditions: 1. Urticaria, which can appear as raised, edematous erythematous patches or wind masses of varying size and shape. In clinical treatment, you can take oral Avastin capsules, fexofenadine hydrochloride tablets, and use topical stove glycol lotion. If itching is very intense, chlorpheniramine maleate injection can be injected intramuscularly to enhance anti-allergy and anti-itch treatment.2. Nodular itchy rash occurs on the extremities with scattered, non-fused, dark brown raised nodules with a relatively hard texture. In clinical treatment, strong glucocorticoid medications such as halometasone ointment or fluticasone propionate ointment can be applied, and liquid nitrogen freezing and carbon dioxide laser cautery can also be chosen for treatment.