Inter rotator fractures are osteoporotic hip fractures in the elderly and are traditionally treated conservatively with skin traction and bone traction, requiring 1-2 months of traction and the patient being bedridden for 1-2 months. During bed rest, many older adults develop bed rest complications, such as bed sores, urinary tract infections and crushing pneumonia. Instead of life-threatening fractures, some of these older adults have life-threatening bed-rest complications. Minimally invasive surgery is mostly used for inter-rotator fractures in the elderly, which can be completed within 48 hours, greatly reducing the incidence of bedridden complications and mortality in the elderly. The current minimally invasive surgery is mainly percutaneous Intramedullary pin fixation such as InterTan, which has played a very good efficacy.