Inclusion Criteria:  Case group inclusion criteria (1) Age is greater than or equal to 18 years old (2) Patients with preoperative ultrasound examination for clinically planned hip joint anterior superior labrum tear (3) The patient can understand and sign the informed consent form .  Control group inclusion criteria  Age is greater than or equal to 18 years old Patients who come to the ultrasound department of our hospital for treatment of non-hip joints at the same time The patient can understand and sign the informed consent form  Exclusion Criteria:  Case group exclusion criteria  Mental conditions are not allowed Adhesives that are allergic to any known . Control group exclusion criteria (1) Mental conditions are not allowed (2) Adhesives that are allergic to any known (3) Past and current diseases of other hip joint diseases