The reasons for the bulging of a meatball below the urethral opening are many, and the common causes may be urethral polyp, urethral cyst, urethral meatus, paraurethral gland cyst or vestibular gland cyst, etc. The treatment needs to be taken according to the specific causes. 1, urethral polyp: usually manifested as red tissue around the urethral opening, rarely cancerous, pathological examination can be clearly diagnosed. The treatment may be microwave ablation therapy, electrocautery therapy, laser therapy, cryotherapy, etc.; 2, urethral cysts: generally benign lesions, smaller cysts, and no other uncomfortable symptoms, can be temporarily observed, larger cysts can be surgically removed as prescribed by the doctor; 3, urethral meatus: common in female patients, usually related to hormonal imbalance, the volume of small generally no abnormal feeling, when larger may reach soybean, or a large, the urethral meatus. When larger, it may reach the size of a soybean or peanut, with ulceration and bleeding. Usually small urethral meatus can be dynamically observed, but larger or symptomatic urethral meatus can be treated with oral estrogen, topical estrogen, laser, cryotherapy, or surgery. 4. paraurethral cysts or vestibular gland cysts: In addition to the symptoms of a meatball bulging out from under the urethra, patients may also have pus and blood discharge, painful urination, and other uncomfortable symptoms, which may affect urination when the volume is larger. The first thing to do is to apply penicillin, ceftriaxone and other drugs for anti-inflammatory treatment, the effect is not good enough to consider surgery to remove; 5, acne warts: the urethra bulge a meatball, but also may be HPV infection caused by acne warts performance, sexually active young and middle-aged people are more likely to be infected, can be dermatoscopy, acetic acid test or pathological biopsy clear diagnosis. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The patient is advised to seek medical attention promptly to clarify the cause of the symptoms and then carry out targeted treatment.