Chronic prostatitis includes chronic bacterial prostatitis and non-bacterial prostatitis. Chronic bacterial prostatitis is mainly caused by pathogen infection, mainly retrograde infection, and the pathogen is mainly Staphylococcus. There is often a history of repeated urinary tract infection or the continued presence of pathogenic bacteria in prostate massage fluid. Non-bacterial prostatitis is a complex pathological change caused by multiple complex causes and inducements involving inflammation, immunity, and neuroendocrine, resulting in urethral irritation symptoms and chronic pelvic pain as the main clinical manifestations, and is often combined with mental and psychological symptoms. The disease has diverse clinical manifestations.