The 12-year-old girl’s dysuria may be related to urethritis, cystitis, urinary tract stones, bladder polyps and so on. 1. Urethritis: mainly due to bacterial and viral infections, poor hygiene habits may also induce the disease, often showing a burning sensation at the urethral orifice, frequent urination, urinary urgency and so on, which may lead to the 12-year-old girl to have urinary incontinence. 2. cystitis: mainly due to bacterial infection, low immunity may also trigger the disease, often showing frequent urination, urinary urgency, painful urination, lower abdominal pain, etc., which may lead to 12-year-old girls have urinary incontinence. 3. Urinary stones: mainly due to metabolic abnormalities, urinary tract obstruction, infection, drugs, genetics, the environment and other factors, often showing pain, hematuria, nausea and vomiting, etc., which may lead to 12-year-old girls have urinary incontinence. 4. Bladder polyps: mainly due to chronic inflammatory stimulation, repeated stone stimulation, foreign body stimulation in the bladder, often showing hematuria, urinary frequency, etc., which may lead to 12-year-old girls to have urinary incontinence. Therefore, if a 12-year-old girl has difficulty in urinating, she should consult a doctor in time.