The proper use of crutches is important for wound healing. In order to achieve safe and free walking exercise, patients should master the movement of walking with crutches. For children, parents need to learn to use the essentials. Method: 1, the height of the crutches should be very according to the patient’s height debugging, the general height is the patient to hold the crutches with both hands, the top of the crutches from the armpit 5 – 10cm or a fist, the same width as the shoulder. 2, holding the crutches is the hands force rather than relying on the armpits to support the body, otherwise it is easy to cause brachial plexus nerve palsy, once it occurs, although rest can be recovered, but will affect the patient’s mood and the process of functional training. 3, walking with crutches, first of all, the patient should stand in a good posture, so that the feet and the head of the two crutches is isosceles triangle, first step affected limb, the tip of the foot can not exceed the line of the two crutches, stand stable, hands supporting the crutches at the same time the healthy limb forward to move 30cm, stand stable after lifting the affected limb, while lifting the crutches forward to move the same distance, the foot and the head of the crutches land at the same time, but the tip of the foot still falls in the line of the head of the two crutches, so gradually move forward. When the patient first gets out of bed and walks with the crutches, he should call his family or nursing staff for on-site guidance to adjust the wrong gait in time so that the patient is confident in the exercise. For the special psychological characteristics of children, in the use of the process to have the supervision of medical personnel or relatives, in order to overcome the arbitrariness and blindness. Requirements: 1. Ask patients to never walk when the ground is wet to avoid slipping and causing unnecessary injury. 2. Wear suitable non-slip shoes when walking. 3.When walking, the spirit should be highly concentrated. 4, walking is to look at the ground a little farther ahead, because the water in the ground is not easy to be found.