Joints are structures made up of ligaments and articular cartilage that provide movement of the body. Experiencing pain and diseases in the joints causes limitation of movement in. The joint surgery outpatient clinic, which deals with these conditions, is interested in diseases of the muscles, tendons and ligaments around the joint, cartilage disorders, bone fractures due to trauma and congenital or acquired structural deformities of joints. In the treatment of these diseases biological methods such as drug treatments, intra-articular injection treatments, PRP, activity modifications, arthroplasty operations where the joint surface is operated, and stem cell applications have an important place. However, in the selection and application of these treatment methods, the patient's age, general health status, whether he has rheumatic disease and how severe the joint disease is are determinants. Before the treatment, the condition of the joints is evaluated, and the treatment method is determined according to the loss of function and pain that affect the quality of life of the patient.