Meniscus injury of the second degree usually requires about 3 months of rest and recovery, which can be helped by rest, strengthening exercises, knee pads and other ways to protect the recovery. 1. Rest: Avoid strenuous exercise for 3 months, you can walk on the ground, but try to minimize excessive weight bearing on the affected limb. 2. Strengthening exercise: Strengthen the muscles around the joints through functional exercises of the affected limbs, which can help the recovery of joint function, and also pay attention to strengthening the flexion and extension exercises of the affected limbs. 3. Knee protection: when walking on the ground with heavy load, try to protect the joints through knee pads, at the same time, knee pads can help keep the joints warm and reduce joint pain. Meniscus injury should be treated conservatively under the guidance of the doctor, and after 3 months, the joint MRI can be performed again to clarify the recovery of the injury.