Weakness of the legs can not lift the soft tissue contusion, can be treated by rest, cold compress, hot compress, rehabilitation exercises and other methods. 1. Rest: soft tissue contusion should pay attention to rest, through rest can make the muscles fully relaxed, can reduce the stimulation of the affected area, is conducive to recovery. 2. Cold compresses: cold compresses can be applied to the affected area immediately after the injury. Cold compresses can reduce inflammation, minimize exudation and relieve swelling and pain. 3. Hot compresses: apply hot compresses to the affected area 72 hours after the injury, hot compresses can promote blood circulation and facilitate the absorption of bruises and swelling. 4. Rehabilitation exercises: During the recovery period, you can carry out functional exercises for the limbs, such as muscle contraction exercises, straight leg raising exercises, ankle pump exercises, etc., which can help to enhance the muscle strength and prevent complications such as muscle atrophy. When there is weakness in the legs can not lift up the soft tissue contusion, you can go to the hospital to further judge the condition, and then targeted treatment.