For patients with squatting pain in the leg, one, it is seen in diseases of the hip joint; two, it is seen in diseases of the knee joint. For example, synovitis of the hip joint, osteoarthritis, osteoarthritis or osteonecrosis of the femoral head, which can lead to increased pressure inside the hip joint when squatting, and excessive compression of the internal cartilage, thus causing significant leg pain; third, in patients with meniscus damage or knee degeneration or osteoarthritis of the knee joint, which can also lead to The meniscus inside the knee joint is overly squeezed or the cartilage is overly rubbed, which can also lead to significant leg pain, thus affecting the patient’s normal leg flexion and extension and weight-bearing activities.