Prostate lecithin microsomes 3+, but frequent urination may be caused by prostatitis, cystitis, bladder occupancy and other diseases. Frequent urination is a relatively common urinary tract symptom, and its common factors in men include increased urinary output caused by drinking large amounts of water, inflammation of the genitourinary tract such as cystitis and prostatitis, urinary tract foreign bodies, stones, and bladder space-occupying lesions. The prostate lecithin is a diagnostic index used to assist prostatitis, the normal value of 3 + ~ 4 +, but alone with the prostate lecithin 3 + can not be completely excluded from the diagnosis of prostatitis, often need to cooperate with the prostate fluid leukocyte count to diagnose whether there is prostatitis. In conclusion, it is recommended that the patient go to a regular hospital in time to get a clear diagnosis and receive standardized diagnosis and treatment, and strive for early recovery.