Giant cell tumor of bone is mainly composed of multinucleated giant cells and smaller spindle-shaped or round mesenchymal cells. Giant cells are large and contain more nuclei, sometimes from dozens to more than a hundred, spindle-shaped or round mesenchymal cell morphology. Common symptoms: 1, jaw bone expansion and facial deformity, early no conscious symptoms, slow growth. 2. Loose teeth and misalignment of bite when the alveolar bone is affected. 3. X-ray shows soap bubble-like or crest-like cystic shadow with bone expansion. Prevention: Giant cell tumor of bone can be benign or malignant tumor according to its pathological and histological characteristics, but surgery is preferred regardless of benign or malignant, on the one hand, the lesion can be removed by surgery, on the other hand, pathological examination can be performed to determine the nature of the tumor for further treatment. There are many clinical cases of lost treatment opportunities due to untimely surgery, which should be paid attention to. Daily care: 1. Nutritional care Encourage the patient to take in enough nutrition and eat a high protein, high vitamin, high calorie, easy to digest diet. For those who have poor appetite and difficulty in eating, it is advisable to have small number of meals and less dregs, and if necessary, give intravenous high nutrition support. During radiotherapy, avoid taking spicy and dry food, such as pepper, onion, garlic, leek, goat and chicken, etc. 2.Pain care Pay attention to the location, nature, duration and intensity of pain, and instruct patients to use different methods to control pain, and those who have difficulty in controlling pain can be given drugs according to the three-step pain relief program as prescribed by the doctor. 3.Postoperative care Pay attention to monitoring vital signs and changes in condition, and do a good job of drainage, incision and skin care to prevent infection. If there is no contraindication after the operation, you can leave the bed after 1-7 days, that is, leave the bed early. You can do limb movement and turning in bed first. If the body recovers well, the amount of exercise can be gradually increased and the content of exercise can be changed.