Baby perianal redness with rash, may be due to perianal eczema, diaper dermatitis, allergic dermatitis and other factors, you can use the causative factors to remove, topical drugs, oral medication, home care and other ways to relieve. 1. Perianal eczema: the baby appeared perianal redness with rash, not exclude is caused by perianal eczema, accompanied by obvious itching, need to avoid the baby’s perianal area is in a state of long-term moisture, but also to avoid letting the baby eat stimulating food. 2. Diaper dermatitis: because the baby’s perianal area may be because the skin for a long time by urine and feces stimulation, no timely change of diapers, may cause perianal redness and rash phenomenon, you can use glycerine lotion coated with itching, you can also choose to reduce the local inflammatory reaction of zinc oxide cream. 3. Allergic dermatitis: this is due to the baby’s skin is more sensitive, contact with allergens caused by factors, you can cooperate with the doctor to give loratadine, cetirizine and other medications, at the same time to pay more attention to the local skin cleaning, so as not to increase the infection. The above medication should be used under the guidance of a doctor, avoid self-medication. The redness of the baby’s perianal rash may be due to other reasons, it is recommended to consult a doctor in a timely manner, by the specialist judgment assessment, and give targeted treatment.