Trying to urinate and not being able to do so may be caused by psychological disorders, as well as diseases such as prostate disorders and urological disorders. 1. Psychological disorders: If the patient has psychological disorders, such as nervousness, depression, anxiety and other psychological disorders, it may lead to the situation of wanting to urinate and not being able to do so. Psychological counseling is needed. 2. prostate disease: if the patient has prostate diseases, such as prostatitis or prostate hyperplasia and other diseases, due to the stimulation of inflammation or hyperplasia compression to the urethra, there may be a desire to urinate, but the phenomenon of urine. 3. Urinary system diseases: If the patient has urinary stones or tumors, it may lead to bladder obstruction, forming urinary retention, and the phenomenon of wanting to urinate but not being able to do so may also occur. There are many reasons why you want to urinate but can’t do it, so it is recommended that you go to the hospital in time to find out the cause of the disease and then treat the symptoms, so as to avoid delaying the treatment.