Always having the urge to urinate may be a physiological phenomenon, urinary system disease, diabetes, hyperthyroidism, uremia, etc. 1. Physiological phenomena: drinking a lot of water, cold, nervousness, or the uterus presses the bladder during pregnancy, which can lead to always having the urge to urinate. 2. Urinary system diseases: urethritis, cystitis, prostatitis, prostate hyperplasia, bladder stones, bladder cancer, prostate tumors and other diseases, can also lead to always have the desire to urinate. 3. Diabetes mellitus and hyperthyroidism: diabetes mellitus and hyperthyroidism are endocrine diseases, which may affect the normal metabolism, resulting in eating more, drinking more and urinating more, which may cause the phenomenon of always having the urge to urinate. 4. Uremia: mainly polyuria symptoms caused by abnormal urinary concentration function, which can also lead to always have the desire to urinate. The performance of urination increased, and each time the amount of urine is not less, and the total amount of urine increased. Always have the urge to urinate, there may be other reasons, you need to go to the hospital for further examination, follow the doctor’s instructions for treatment.