Prostatitis is a relatively common disease in urology and masculinity, but he is not a single disease, but has different causes and different types. In accordance with the National Institutes of Health’s typing of prostatitis in 1995, prostatitis is divided into four types, each with a different etiology. The main pathogen is Escherichia coli, followed by Staphylococcus aureus, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas spp. The majority of these are single pathogen infections. The main pathogenic factors are also pathogenic infections, but the body is more resistant or/and the pathogen is less virulent, mainly retrograde infections, the pathogens are mainly Staphylococcus spp, followed by Escherichia coli, Corynebacterium spp and Enterococcus spp. The patient’s prostate stones and urinary reflux may be important reasons for the persistence of the pathogen and the recurrence of the infection. Type III prostatitis: the etiology is very complex, the cause is not clear, and there may be many different diseases that are difficult to identify, but have the same or similar clinical manifestations; even these diseases have been cured and the damage and pathological changes it causes continue to act independently. Type IV prostatitis: usually without clinical symptoms, often detected during examination for other related diseases, may have the same etiology and pathogenesis as part of type III prostatitis. The actual fact is that different types of prostatitis have some common triggers, including smoking, drinking alcohol, spicy food, inappropriate sexual activity, prolonged congestion of the prostate caused by sedentary and long-term chronic squeezing of the pelvic floor muscles, cold, fatigue, etc. resulting in decreased body resistance or idiosyncratic constitution. So, although different types of prostatitis have similar symptoms, the etiology differs and the type and cause must be confirmed after the necessary auxiliary examinations to guide the treatment.