The body has a lot of red bumps and itchy, consider the following possibilities: 1, scabies caused by scabies infection, in addition to the finger crevices, the umbilicus around the tiny papules, and tunnels, the vulva can also appear relatively large, hard nodules, at this time can take oral orotadine hydrochloride tablets, external sulfur ointment, clomid ointment. For large nodules on the pubic area, hydrocortisone butyrate ointment can be used for treatment. 2, is urticaria, mainly appearing in the wind, can rise and fall, fade without trace, and accompanied by intense itching, serious can also appear breathing difficulties, can be injected intramuscular chlorpheniramine maleate injection, oral levocetirizine hydrochloride capsules, external use of furnace glycolate lotion for treatment. 3, is eczema, in addition to small red bumps, but also It can appear flaky erythema with itching, oral Epinastine Hydrochloride capsule and topical hydrocortisone butyrate ointment for treatment.