In clinical settings, the symptoms of late-stage osteoarthritis are primarily characterized by severe joint swelling and pain, and the joints are prone to deformity, which affects the patient's ability to work or carry on with daily activities. For late-stage osteoarthritis, surgical intervention is often necessary. It requires thorough preoperative examinations to rule out surgical contraindications, followed by prosthetic joint replacement surgery. Postoperatively, it is crucial to actively manage the surgical site by changing dressings and disinfecting to prevent infection, typically every two to three days. Additionally, anticoagulant medications are needed to prevent the occurrence of thrombosis.