After surgery for osteosarcoma, continue chemotherapy if needed, there is no special preventive way, you can exercise appropriately, relax your mind, and review regularly. Osteosarcoma is a malignant bone tumor originating from bone, with a high degree of malignancy, mostly seen in adolescents. Common symptoms include pain, lumps and so on. The treatment of osteosarcoma is mainly based on surgical treatment to remove the tumor tissue as much as possible plus adjuvant chemotherapy, and chemotherapy is needed before and after surgery. After surgery and chemotherapy treatment, it is still easy to recur and easy to metastasize, and regular review is needed. There is no special method to prevent recurrence of osteosarcoma after surgery, you can exercise properly to enhance immunity and relax your mind to avoid excessive tension. After surgery for osteosarcoma, it is recommended to have regular rechecks, follow the doctor’s instructions for follow-up treatment, and consult the doctor immediately if there is any discomfort.