1, water intake and output control training to establish a system of regular and quantitative drinking and regular urination is the basic measure of bladder training. Patients are instructed to drink water regularly and quantitatively and intake evenly, not exceeding 400ml at a time to avoid overfilling of the bladder. The interval between drinking and urination is usually 1-2h, and the total daily urine volume is controlled at about 800-1000ml.2. Intermittent catheterization is performed by non-medical personnel after medical staff guidance, and the frequency of use is 3-4 times a day for those who cannot urinate on their own, and 1-2 times a day for those who can partially urinate, and the catheterization action should be gentle and not rough to avoid urethral injury. 3, bladder sphincter control training using the pelvic floor muscle training method, that is, active contraction of the anus, each contraction lasts 10 s, repeated 10 times, 3-5 times a day. 4, urination reflex training to find and induce trigger points to trigger the contraction of the detrusor muscle through reflex mechanisms. Use the common methods of lightly buttoning the suprapubic area, pulling the pubic hair and rubbing the inner thighs, etc. Be gentle when buttoning the trigger point and avoid excessive weight to avoid dysfunction of the vesicourethra. The frequency of clasping is 50-100 times per minute.