Through the translation and verification of the Lysholm Knee Score Scale, a Chinese version of the Lysholm Knee Score Scale supported by experimental data was obtained. And on this basis, explore the knee joint score scale that fits the Chinese situation

Lysholm Knee Scoring Scale needs to be translated and back translated into Chinese version of Lysholm Knee Scoring Scale. Through data collection and analysis, the reliability, validity and sensitivity of the Chinese version of the Lysholm Knee Score Scale were studied, and on this basis, the advantages and disadvantages of the scale were analyzed, and a new knee score scale was developed based on the domestic situation.

Inclusion Criteria:

• Patients with ruptured ligaments, dislocation of the patella, meniscus injury or total knee replacement before and after surgery, and have the ability to read or communicate with others normally.

Exclusion Criteria:

• Patients with other injuries to the joints of the lower limbs, or patients who do not have the ability to read or communicate with others normally.

Through the diagnosis of MRI and clinicians, patients who are determined to be ligament rupture, patella dislocation, meniscus injury or total knee replacement surgery before and after surgery, the patient should have the ability to read or communicate with others normally, and the age range is 18-80 years old .