Tamsulosin is suitable for the treatment of men with prostate enlargement and prostatitis caused by frequent urination is a relatively good treatment effect, but can not be used to treat all frequent urination. Tamsulosin belongs to the α-blocker, has the effect of diastolic urethral tube, reasonable use of tamsulosin can make the urine more fluent discharge, the male prostatitis or prostate enlargement caused by frequent urination have better therapeutic effect. If it is a female patient with frequent urination, taking tamsulosin has no obvious therapeutic effect. For kidney disease caused by frequent urination, such as chronic nephritis caused by frequent urination, the use of tamsulosin also does not have a good effect. The use of tamsulosin may cause disorientation, loss of consciousness, dizziness, hobbling sensation and other adverse reactions, allergic to the product, children and other people are prohibited. It is recommended that patients go to the hospital for relevant examinations, from the root of the treatment of frequent urination, the use of drugs need to be taken under the guidance of a doctor on medical advice, should be avoided to take medication privately, so as not to cause harm to the body.