Patient: Description of condition (onset time, main symptoms, hospital visited, etc.): Female patient, 58 years old, with osteophytes in both knee joints, prone to develop on rainy days. Luo Dengzhong, Department of Orthopedics, The First Affiliated Hospital of the PLA General Hospital: Knee osteophytes are generally redundant bones that cannot be repaired in the process of wear and tear and degeneration of the knee joint. Generally speaking, knee pain is not due to “bone spurs”, but rather to wear and degeneration of the knee joint. The most important of these is a large amount of cartilage wear and loss. For mild osteoarthritis, conservative treatment is used to reduce the amount of activity and physical activity and to increase the strength of the knee muscles; for moderate osteoarthritis, oral and topical medications such as Fotarine are used and, if necessary, joint injections are performed. Or arthroscopic surgery. For severe cases, knee joint replacement is used.