In men with pus flowing from the lower body, the presence of gonorrhea or non-gonococcal urethritis is mostly considered. It is recommended that the patient go to the hospital for relevant examination to determine the need for bacterial culture of the pus to clarify what the cause of infection, the possible causes are as follows: 1, gonorrhea, is due to unclean sexual contact resulting in gonococcal infection, which can cause a large amount of purulent discharge from the urethra, accompanied by obvious urinary frequency, urinary urgency and stinging pain in urination, the need for relevant laboratory tests, early diagnosis after active treatment, otherwise it can The patient may have a thin pus discharge from the urethra, which requires relevant laboratory tests and symptomatic treatment after diagnosis. 3. Non-specific urethritis, often caused by infections such as Escherichia coli or Klebsiella, may be caused by sexual contact, or may be caused by one’s own immunity or local bacterial toxicity. The actual fact is that you can find a lot of people who are not able to get a good deal on this.