In the case of men, the normal urethral opening is lip-shaped, or in some cases, it is a slit or oval-shaped urethral opening. Everyone’s urethral opening is different, depending on the shape and size of the penis. If the female urethral opening is lip-like, it may refer to the labia majora and labia minora, which are hidden within the labia majora and labia minora and are not visible on the surface. The female urethra is mostly fissure-like, and the urethra is short and straight, so it is easy for bacteria to retrograde and cause urinary tract infections. Usually pay attention to the perineal area of cleanliness and hygiene, change the underwear, wash the underwear in the sun sterilization. It is recommended to drink more water and urinate more often, and keep the daily water intake at about 1500-2000ml. If there is discomfort in the urethra, it is recommended to go to the hospital immediately, and be examined and treated by a doctor.