Patients with prostatitis who have a lot of foamy urine can be divided into the following situations: First, patients with prostatitis may have some inflammation resulting in secretions when they urinate, or some prostate fluid with the discharge of the body, which leads to the symptoms of foamy urine. Secondly, to consider the possibility of proteinuria, if prostatitis patients suffer from nephritis, cystitis, diabetes, etc. at the same time, it may cause proteinuria to appear with more urine foam, and proteinuria leads to more urine foam, and the foam will not disappear for a long time. The third, prostatitis combined with urinary tract infection may also cause this symptom, and patients will also appear urinary frequency, urinary urgency and other symptoms, it is recommended that patients timely urinary routine, kidney function, prostate fluid and other related examination to clarify the cause after the corresponding treatment.