Meniscus tear grade 3 is poorly treated with conservative treatment, and surgery is recommended for meniscus suturing. Meniscus tear grade 3 is mostly caused by trauma, improper sports posture, excessive weight bearing, etc. Knee pain and popping can occur after meniscus injury. Conservative treatment is mostly applied to meniscus tear grade 2 or below, which usually requires wearing a knee brace for 4 weeks, using medication to nourish cartilage, such as glucosamine sulfate to nourish cartilage, and using non-steroidal anti-inflammatory drugs, such as diclofenac sodium delayed-release tablets for pain relief, and so on. The meniscus tear grade 3 has involved the joint surface, the knee joint activity has been affected, even after conservative treatment, the effect may not be very obvious, usually take surgery to suture the torn meniscus, to restore the function of the knee joint. After checking and finding the meniscus tear grade 3, it is recommended to choose the appropriate treatment plan under the guidance of the doctor and in conjunction with your own situation.