The reason for always feeling that urination is not possible: 1, there is a urinary tract infection, when the mucosal epithelium of the urinary tract is congested and edematous, local sensitivity is increased, a little urine can produce a strong sense of urination or produce a desire to urinate, the patient always feels that urination is not complete. The normal bladder capacity is about 150-300ml, when 150ml of urine is stored, you will feel the urge to urinate, but in patients with bladder infection, when 50ml or less of urine is stored, you will feel the urge to urinate, so you will always feel incomplete. 2, if there are stones in the bladder, urethra or kidney, ureter, etc., there can be an increased sense of local irritation that leads to incomplete urination, and also The symptoms may be accompanied by pain or hematuria in the area where the stone is located, and it is recommended that an ultrasound examination of the urinary system be performed to rule out the presence of stones. 3, men with prostate enlargement and prostatitis can produce a sense of incomplete urination because the prostate enlargement gland protrudes into the bladder cavity and stimulates the bladder triangle, leading to frequent urination or a sense of incomplete urination, or with prostate inflammation can appear local congestion, bruising, and increased irritation can produce a sense of incomplete urination. The symptoms of incomplete urination can occur with prostate inflammation.