After a meniscal injury, you should pay attention to the following aspects: 1. Avoid squatting and going up and down stairs, which is not good for the meniscus recovery, and pay attention to keeping the knee joint warm, if there is fluid, you can do hot compresses, bake electricity, and eat blood pain medication. 2. Avoid repeated flexion and extension of the knee joint, it is best to wear adjustable braces, and gradually adjust the flexion angle to not cause significant pain as normal. 3. It takes at least 2-3 months for the meniscus to recover, so you cannot run or dance during this period, and you can only do these sports after about 6 months.4. You can supplement with glucosamine sulfate capsules to help the meniscus recover. After more than 1.5 months, you can ride a bicycle properly, because the load on the joints is not very big, and you can also swim.