1. On the first day after surgery, take oral anti-swelling and pain medication, rest, and muscle contraction. The joints do not move. 2.On the second day after surgery, the muscles contract and stand on the ground, and those who can tolerate it can walk indoors with crutches. It is still necessary to reduce swelling and pain. 3.On the third day after surgery, the muscles contract and the range of knee movement is within 45° of full extension~flexion. Walk within the patient area. 4. Within the seventh day after surgery, straight leg elevation with brace protection and knee flexion up to 60°. 5.Within 14 days after surgery, walk with crutches and bear 40% of the weight of the affected limb. Knee flexion should not exceed 90°. 6.Within 49 days after surgery, walk with crutches, bearing 80% to 100% of body weight, and squatting with the back against the wall, but knee flexion still not exceeding 90°. Resume daily life and non-manual work. 7.At three months after the surgery, you can walk freely, bear weight completely, go up and down stairs with one leg, and bend the knee no more than 120° when squatting. 8.At six months after surgery, you can jog, ride a bicycle, and freestyle (no breaststroke) squat up to 135° or more. MRI review is possible. 9.One year after surgery, resume non-confrontational sports activities, and prohibit physical confrontation type activities. You can jump rope, moderate aerobics, badminton, ballroom dancing and other moderate to light activities. 10.Two years after surgery, complete recovery, no restriction on sports activities or athletic competitions. For example, fitness, basketball, etc. Overall, it takes two years or more for the meniscus to completely regenerate into the patient’s own tissue, and excessive activity before that is inappropriate.