The redness and swelling at the urinary site of male babies may be caused by urinary tract infection, glansitis and other diseases. 1. Urinary tract infection: there will be urinary urgency, frequent urination, painful urination, serious condition will appear red and swollen urine and other symptoms. You can take levofloxacin hydrochloride tablets, cefuroxime dispersible tablets and other drugs under the guidance of medical advice. 2. glans: glans will appear local itching, pain, may also appear urinary erythema, erythema and other symptoms, you can take norfloxacin, kanamycin and other drugs under the guidance of medical advice for treatment. Patients with redness and swelling at the urinary place are recommended to go to the hospital in time for examination, to clarify the cause of the disease, and to standardize the treatment under the guidance of the doctor, pay attention to personal hygiene in daily life, change clothes more often to avoid bacterial growth, and do not use medication on your own.