Meniscus injury grade 1 to 2 generally can not be self-healing. Fischer grade diagnostic criteria for meniscus injury: grade I is early degeneration, the meniscus point flake or rounded pressure fat sequence high signal shadow, did not reach the meniscus articular surface edge; grade II is severe degeneration, horizontal or oblique strip pressure fat sequence high signal shadow, did not reach the meniscus articular surface edge can reach the articular capsule edge; grade III is a tear, the pressure fat sequence high signal in the meniscus should reach the articular surface edge. Meniscus injury grade 1 to 2 can not be self-healing, need to choose the appropriate treatment according to the degree of injury. 1. General treatment: ice within 72 hours, heat after 72 hours, plaster or support external fixation. Hot compresses and physical therapy are also available. 2. Drug treatment: oral non-steroidal anti-inflammatory drugs such as celecoxib and ibuprofen tablets. 3. Surgical treatment: arthroscopic meniscus revision molding or resection. If left untreated, recurrent knee pain, walking interlock, accelerated degenerative disease of the knee joint will occur, affecting the patient’s life and work. If actively treated, most recover well and will not affect life and work, but to avoid the occurrence of re-injury. When meniscus injury occurs, you should go to the hospital in time and choose the appropriate treatment plan under the guidance of the doctor. The above medications need to be used under the guidance of a doctor.