Inner thigh root red bumps itching, divided into several diseases: one, is eczema, it is due to the thigh root of this location usually moist, easy to cause allergic inflammatory reaction, manifested as erythematous papules, itching, if this situation occurs, you can apply Piperitone or Glycerite lotion and so on. Second, if the site of erythematous papules, the boundary of this lesion is very clear, in close to the thigh root, near the vulva, both sides symmetrical, this situation is ringworm, we have to apply Dakinin and other fungicidal drugs, if there are independent red bumps, pus, slightly painful, this situation is considered folliculitis, we have to apply Bactroban or fusidic acid antibiotic ointment, so according to the situation of the use of different medication, it is best to go to the hospital to see a doctor.