The redness and swelling of the genitals is generally considered the possibility of glans penis, when this clinical symptom, it is recommended to go to the hospital in time for an interview and examination, if there is a secretion it is recommended that you can take the secretion for secretion smear examination, or secretion culture examination. Once diagnosed with glans penis, it is recommended to use potassium permanganate solution or cypress lotion to clean, and then apply erythromycin ointment, or Bactrim ointment for treatment. Genital redness and swelling is generally due to not pay attention to the lower body hygiene, not often wash, contact with contaminated clothing, frequent stay up late, after sex did not wash in time and other reasons, so in the period of treatment, it is recommended not to have sex too often, to keep the lower body clean and hygienic, do not wet, which will help the improvement of the symptoms, and at the same time can make the treatment to achieve a better result.