How to determine prostatitis: 1. Acute prostatitis: young and middle-aged men have urinary frequency, urinary urgency, painful urination, difficulty in urination, accompanied by chills, fever and other systemic symptoms. The diagnosis can be confirmed by performing routine urine examination and finding elevated leukocytes in the urine, increased bacterial count, and bacteria found in urine bacterial culture. 2, chronic prostatitis: young and middle-aged men with symptoms such as waiting for urine, thin and weak urine line, frequent urination, increased nocturia, scrotal dampness, perineal discomfort, etc., performing normal routine urine examination, routine examination of prostate fluid showing reduced lecithin vesicles and increased leukocyte count, can be diagnosed. 3, benign Prostate hyperplasia: Elderly men with symptoms of difficulty in urination, normal urine routine, normal prostate-specific antigen, increased volume of prostate gland on anal examination, increased volume of prostate gland on ultrasound examination, and thickened bladder wall, can be diagnosed. 4.Prostate cancer: Elderly men with symptoms of difficulty in urination, significantly increased prostate-specific antigen on blood examination, increased volume of prostate gland on anal examination, and palpable nodules, and nodules of high quality. The nodules can be palpated and have a hard texture. MRI of the prostate can detect nodules of prostate cancer, and rectal prostate puncture biopsy can confirm the diagnosis.