Occasional urinary leakage is usually a symptom of uncontrolled outflow of urine from the bladder and requires prompt medical attention once detected. Occasional urinary leakage, also known as mild incontinence, usually refers to the uncontrolled outflow of urine from the bladder, and can be categorized as stress, urgency, and filling, to name a few. Stress leakage refers to the involuntary flow of urine when coughing, sneezing or straining, when the abdominal muscles are tensed and the abdominal pressure is increased. Urgency leakage refers to urine leakage when the urge to urinate is too strong to take off the pants, which is mainly seen in urinary tract infection, hyperreflexia of the urethra muscle, etc.; and filling leakage mainly refers to urine leakage when the bladder can not be contracted or when the outlet obstruction occurs. In serious cases, it is recommended to actively seek medical attention to clarify the cause of the disease and carry out targeted treatment.