It can evaluate soft tissues such as skin, fascia, muscles, tendons, ligaments and peripheral nerves, as well as joints and some skeletal lesions, including trauma, strain, inflammation or various types of arthritis, skeletal and cartilage tumors, and can even help to find and locate soft tissue foreign bodies. Therefore, musculoskeletal ultrasound has been widely used in sports medicine, orthopedic trauma, pain medicine, rehabilitation and rheumatology. Musculoskeletal ultrasound can not only assist in clinical diagnosis, but also perform direct ultrasound interventions to shorten clinical treatment cycles and improve treatment outcomes.