The invention discloses a urethral catheter with the automatic cleaning function. The urethral catheter comprises a catheter body and a urine inlet and a urine outlet located at two ends of the catheter body, an enclosure sleeves the middle of the catheter body, a motor is arranged in the enclosure and is electrically connected with a first bevel gear, one end of the catheter body and close to the urine inlet is sleeved with a second bevel gear, one sides of the second bevel gear and facing to the urine inlet extend to form soft brushes, and a liquid storage bottle used for containing waste is arranged at lower ends of the soft brushes. By the arrangement, secretions secreted from genitals can be automatically cleaned; the genitals is cleaned slowly and reciprocatingly through the soft brushes, so that secondary injury to patients by pulling the urethral catheter is avoided; the urethral catheter is telescopic and is suitable for the patients with different physical conditions; the secretions from the genitals can be collected by the liquid storage bottle any time, so that contamination to bed sheets by the secretions is avoided; the soft brushes can be adjusted in angle automatically, thereby being adapted to the patients with the genitals of different sizes and female genital cleansing as well.