Knee meniscus injury can be restored through the following ways of exercise: First, if the meniscus injury occurs after the joint is not obvious fluid, can be carried out quadriceps static contraction and ankle pump exercises, completed 500-1000 times a day, can be grouped to complete training, knee resistance flexion and extension activities to complete 4-6 groups per day, each group of 20-30 movements. Secondly, if the meniscus injury occurs after the joint is obviously swollen with fluid, should control the amount of lower limb exercise, mainly control the knee resistance flexion and extension exercises intensity, can train against the wall static half squat, each time not less than 15 minutes, complete 4-6 times a day, to achieve the best effect of complete power exhaustion of the medial head of the quadriceps.