Always want to urinate before going to bed, the main consideration is related to drinking too much water, neurogenic urinary frequency, overactive bladder syndrome and other urinary system diseases. 1. Drinking too much water: some people have the habit of drinking a lot of water or milk before going to bed, which can lead to an increase in urine, and then the phenomenon of frequent urination at night. 2. Neurogenic urinary frequency: patients usually do not have organic lesions of the urinary system, but before going to bed, eating, exams and other scenarios, there can be obvious urinary frequency phenomenon. 3. Overactive bladder syndrome: it can lead to frequent urination, urinary urgency as well as increased nocturia and frequent urination before bedtime. 4. Other urological diseases: such as urinary tract infections, chronic renal insufficiency and other conditions, may also cause this disease. It is recommended that patients consult a doctor to confirm the diagnosis, and combined with the cause of the disease, follow the doctor’s instructions for treatment.