Wanting to urinate when you are nervous is generally a normal physiological phenomenon caused by nerve reflexes, but it may also be caused by the patient himself suffering from cystitis, urethritis and other diseases, as well as other diseases such as pyelonephritis. 1. Nerve reflexes: When the patient is nervous, a nerve reflex usually occurs, and the patient’s brain will send out commands, which will lead to the contraction of the urethral muscle of the bladder, so the patient will want to go to the toilet when he is nervous. 2. Cystitis: Cystitis is caused by bacterial infection and other diseases. Patients will experience frequent urination, urgency, pain in urination, pain in the lower abdomen, etc. Cystitis can also lead to hematuria and other symptoms. 3. Urethritis: Urethritis is mainly caused by gonococcal and non-gonococcal pathogens. The patient’s main symptoms are urethral itching, frequent urination, painful urination, urinary urgency, etc. Patients with urethritis also have urethral opening redness and swelling, cloudy urine and other manifestations. 4. Other: pyelonephritis, renal tuberculosis and other diseases can also lead to the phenomenon of nervousness and want to urinate. When patients experience the symptom of wanting to urinate when they are nervous, it may be caused by the nerve reflex, which is a physiological phenomenon and does not need treatment. If the patient has other uncomfortable symptoms, he should consult a doctor in time and follow the doctor’s instructions.