Ligament strains in the elderly should be treated with ice and emergency braking in the acute phase. After the acute phase is over, rehabilitation exercises can be started, mainly isometric contraction of local muscles and joint mobilization. After the acute phase is over, isometric contraction of local muscles around the joints can be started, as well as straight leg raising exercises. To prevent muscle atrophy caused by prolonged bed rest. And gradually begin to carry out slow joint flexion and extension activities to restore joint mobility and prevent joint adhesion. When the patient adapts to the above training, you can gradually start some strength training, such as joint weight-bearing, resistance training and so on. However, it should be noted that it should not be rushed, and warm-up preparatory exercises should be done in advance to prevent secondary injuries. Due to the degeneration of the body functions of the elderly, injury repair is slower and takes longer. In the process of rehabilitation training must be gradual, to avoid injury to the body. Pay attention to keep warm, avoid local cold, so as to avoid the spasm of the damaged ligament after cold, resulting in increased pain in the joint area. Also need to avoid smoking, alcohol and spicy, so as not to aggravate the swelling and pain, not conducive to recovery. It is recommended that the patient under the guidance of the doctor in accordance with their own situation reasonable rehabilitation exercise, so as to avoid improper exercise caused by the body injury.