The normal condition of chronic prostatitis does not cause nephritis, nephritis is mainly divided into glomerulonephritis and interstitial nephritis. If the prostate has a local infection, the pathogens that can invade the ureter and even the renal pelvis, causing acute pyelonephritis, may not be completely cured in the acute phase, from acute nephritis to chronic pyelonephritis. Chronic pyelonephritis is also a type of disease that belongs to nephritis, so chronic prostatitis can cause pyelonephritis if there is a specific pathogen infection that can invade retrograde to the urinary system of the previous unit through a number of situations. This is a very rare occurrence, in the clinic more common chronic prostatitis are non-bacterial prostatitis, mainly due to the patient’s poor lifestyle habits, and lead to local congestion and edema of the prostate inflammation, at this time will not cause the problem of nephritis.