Bedwetting at the age of 12 is medically known as enuresis, which is related to hereditary factors, mental psychology and many other reasons. The main choices are general treatment, medication and surgery. 1. General treatment: It is recommended to limit the amount of water you drink at night and urinate before going to bed. When taking a bath, do not choose some irritating soap to wash the perineum as much as possible. 2. Medication: Anticholinergic drugs can increase the capacity of the bladder and reduce enuresis. The common ones are Oxybutynin and Probenecid. In addition, you can also choose antidepressant drugs, such as promethazine. 3. Surgical treatment: If there is severe urinary frequency, severe urinary urgency and urge incontinence, you can choose surgical treatment under the guidance of the doctor, such as choosing bladder distension therapy, bladder transection. Prolonged enuresis is easy to cause psychological burden, although some of the enuresis can be recovered, but if a long time without treatment is more harmful, so it is recommended to receive timely treatment in the hospital, the use of drugs should not be blind.