Meniscus lesions of the knee are a frequent traumatic event in many sports. Direct consequence is reducing physical activity. Conventional medicine proposes surgery. Conservative therapy, as outlined in this text, can be fully applied in most cases, and improves functional end result. Pain from a meniscus lesion of the knee can involve the whole leg, and induce walking impotence. 50 years ago, orthopedists would resect most of the meniscus without a second thought. This was ending invariably in osteoarthritis of the knee. Nowadays they have become much more precise and conservative, suturing even peripheral meniscus tears to preserve structure.