Habitual anterior shoulder dislocation is mostly seen in young adults. The reason for this is generally believed to be that the patient suffered a shoulder injury after the first traumatic dislocation, which was reset but did not receive proper and effective fixation and rest. As the joint capsule tear or avulsion and cartilage glenoid lip and glenoid margin injury are not well repaired, the posterior lateral humeral head depression fracture becomes equal to the pathological changes and the joint becomes lax. Subsequent dislocations can occur repeatedly under minor external forces or during certain movements, such as upper extremity abduction and external rotation and posterior extension movements. The younger the patient, especially if the first dislocation occurs before the age of 20, the higher the percentage of re-dislocations. For habitual shoulder dislocation, surgery is the best solution to cure it. The purpose of surgery is to strengthen the anterior wall of the joint capsule, prevent excessive external rotation and abduction, and stabilize the joint to avoid re-dislocation. There are many surgical methods to treat shoulder dislocation, among which shoulder arthroscopy can complete the previous large incision surgery through a limited number of 0.5cm surgical incisions, which is the most ideal treatment method with the least trauma and satisfactory results.