Failure to urinate with a full bladder is classified as urinary retention. It can be solved by general treatment, medication, catheterization and other measures. 1. General treatment: first of all, relax, relieve mental stress, create privacy, quiet environment for urination, you can also listen to the sound of running water, to induce urination. 2. Drug therapy: can be combined with tamsulosin, phenobarbital and other drugs to relax the smooth muscle of the urethrocystoscopy, it is possible to gradually urinate out. 3. Catheterization: Take the above measures, if you are not able to discharge urine, you can relieve the symptoms by taking indwelling catheterization for urination. The above medications should be used under the guidance of a doctor. Urinary retention should go to the regular hospital in time, and further examination, to clarify the cause of the disease, and active treatment.