The 6 simple methods of ankle sprain rehab are active flexion and extension exercises of the ankle joint, static squatting training, balance board standing, heel lift training, hook foot training, and one-legged standing. The acute phase after ankle sprain should be intervened according to the PRICE principles of treatment before rehabilitation training, in order to reduce swelling and inflammation, and promote the healing of injured tissues. 1. Active flexion and extension exercises of the ankle joint: the ankle joint of the affected side gradually increases its mobility through the principles of passive, assisted and active, so that the mobility of the ankle joint reaches the same as that of the healthy side. 2. Static squatting training: patients can lean their backs against the wall, stabilize their trunks and then bend their hips and knees (90 degrees), with the distance between the feet and the shoulder width, and the knees should not be more than the toes, to complete the squatting. Resistance “hook foot”, for muscle training, later you can support the single crutch foot walking, weight-bearing and center of gravity transfer training. 3. Balance board standing: patients stand on both feet with the aid of a balance board, gradually transitioning to independent completion to improve ankle stability. 4. Heel lifting training: standing position, bilateral toe force, heel lift, each group to complete 10-~15, according to their own situation, arrange the amount of exercise, strengthen the calf muscle groups muscle strength training. 5. Hook foot training: patients lying down or sitting position, ankle dorsiflexion, that is, hook toes, can be resistant to hook foot exercises, improve the strength of the calf triceps. 6. Standing on one foot: the patient stands in a standing position, the lower limb of the affected side is supported, and the lower limb of the opposite side is lifted, and the exercise can be practiced with assistance at the beginning, and gradually completed independently to improve the stability of the ankle joint. It is recommended that patients seek medical attention in a timely manner, under the guidance of a doctor to complete the training, so as not to cause re-injury.