Because be roughly,cause cause of disease: 1, serious or acute prostatitis pathological change is not complete treat and turn for chronic; 2, chronic prostatitis remains after road of acute make water is affected; 3, focus of a disease of systemic other place if infection of tonsil, dental caries, skin, respiratory tract, enteron makes bacterial edge blood affects prostate all right; 4, classics of adjacent pathological changes is lymphatic affect prostate; 5, sexual desire crosses hyperplasia of next hyperaemia of flourishing, prostate, urethral block and inflammation, prostate, perineal ministry and urethral injury to also can cause prostatitis. Additional remind broad patient attention: (1) major chronic prostatitis does not have acute period; (2) the wrapping glans that wrapping grows be caused by too is phlogistic easy cause chronic prostatitis, answer to do wrapping annulus to cut an operation as early as possible.