Chronic bacterial prostatitis usually improves in about 4-6 weeks after treatment. The main cause of chronic bacterial prostatitis is retrograde infection by pathogens such as E. coli, Staphylococcus spp, Corynebacterium spp and Enterococcus spp. Other causes include prostate stones and urinary reflux. It is often manifested as frequent urination, urgency, painful urination, difficulty in urination, burning sensation in urination, swelling in the perineal area, etc., which can be repeated. The disease can be clearly diagnosed by urine examination and culture, routine examination of prostate fluid, imaging examinations such as ultrasound and cystoscopy. Its treatment is based on oral antibiotics, and the course of treatment is usually 4 to 6 weeks. In addition, patients should pay attention to keep warm during treatment, quit smoking and drinking, eat a balanced diet, avoid spicy and stimulating food, regular rest and exercise, and strengthen resistance. They should also avoid holding urine and sitting for a long time.