Erosive bone destruction is defined as a malignant bone tumor with no definite boundary of destruction, no sclerotic ring envelope, and gradual migration between the tumor and normal bone. Eroding bone destruction is caused by malignant bone tumor, and also seen in bone infection. Prevention of erosive bone destruction: (1) Strengthen spiritual adjustment, correct understanding of disease, not pessimistic, fear of death, establish confidence to overcome disease, courage to fight with disease, maintain a good state of mind. (2) On the basis of spiritual conditioning, take medication according to the doctor’s and nurse’s instructions according to the degree of pain. (3) If you need to do surgery, actively cooperate with the medical staff to do various examinations, clean your body, relax and pay attention to rest before surgery. (4) Active postoperative training, according to the doctor’s arrangements, adhere to the correct rehabilitation exercise. (e) Choose nutritious and easily digestible food in the diet, and drink more bone broth and so on. The diet should be rich in variation, not a single variety, and try to improve appetite.