Men with urethral intubation may feel symptoms such as urethral distension, a feeling of holding, and discomfort at the urethral opening. Urethral intubation is mostly used clinically for treating urinary retention, for indwelling catheterization, or for preoperative catheterization preparation. Urethral catheters can cause direct irritation to the urethra, which may cause urethral distension and painful holding sensation, and in some cases, redness and swelling of the urethral opening, and oozing of urine from the urethral opening. If only minor symptoms, does not affect the physiological function, generally do not need special treatment, mainly drink more water, promote urination, promote metabolism, pay attention to hygiene, prevent infection. Physical disease should be timely medical treatment, under the guidance of the doctor to take appropriate interventions.