Sudden urination in the elevator is considered to be related to acute urinary retention, stress urinary incontinence, infection, etc. It can be relieved by general treatment, bladder training and medication. 1. Acute urinary retention: due to a large amount of urine filling in the bladder, resulting in the involuntary flow of urine from the urethra, try to control the amount of water according to their own situation, avoid excessive drinking, avoid the intake of beverages containing caffeine, alcohol and other highly acidic foods, so as not to stimulate the bladder, and appropriately increase physical activity. 2. Stress incontinence: mainly due to coughing, sneezing, laughing and other causes of increased abdominal pressure, resulting in involuntary urinary leakage, through the pelvic floor muscle training, each contraction of the pelvic floor muscles for 5 seconds, and then relax for 5 seconds, repeated three times for a group of movements, you can do about 10 groups per day. 3. Infection: If it is due to infection caused by urethritis, cystitis and lead to involuntary urine out of the urethra, if it is a bacterial infection follow doctor’s orders to use cefuroxime and so on, if it is mycoplasma and chlamydia infections, follow doctor’s orders azithromycin and so on, if it is anaerobic infections, follow doctor’s orders to use metronidazole and so on to carry on the treatment. It is recommended to go to the hospital in time to identify the cause of the disease, under the guidance of the doctor to avoid delaying the condition and causing other damage.