Second degree meniscus injury if there is no joint pain, joint swelling, popping and ringing and other symptoms, through the MRI if the fissure is reduced indicates that the recovery is good. 1. Symptoms: meniscus second degree injury usually does not need surgical treatment, need to rest. When through the treatment, if there is no pain in the joint, squatting activities without pain or limitation; if there is no joint swelling, indicating that there is no effusion, or the amount of effusion is reduced; meniscus injuries generally have joint popping, if popping disappeared, there is no joint strangulation, it also suggests that the recovery is good. 2. Auxiliary examination: the examination of the knee joint is mainly based on magnetic resonance imaging (MRI), which can determine the lesion or recovery of the meniscus, ligament, cartilage and other tissues. If the meniscus fissure is reduced or disappeared by MRI, it means the condition is recovered. Second degree meniscus injury can be judged by symptoms and auxiliary examination under the guidance of the doctor to determine the specific degree of recovery, and guide further rehabilitation training.