Rotator cuff tear is a common shoulder disease,especially among athletes and middle-aged and elderly individuals.With the accelerating trend of aging population,the number of patients with rotator cuff tears is increasing.For massive rotator cuff tears,there is a high risk of re-tear after surgery and poor prognosis,which poses a significant clinical challenge.In recent years,surgical techniques for massive rotator cuff tears have continued to innovate,including superior capsule reconstruction,subacromial balloon spacer implantation,tendon transfer,and reverse shoulder arthroplasty.This article summarized the biomechanical effects of massive rotator cuff tears on the shoulder joint and focused on the latest treatment advancements,aiming to provide new reference for clinical treatment.