Osteolysis, also called osteolysis, is a slowly developing very destructive disease. It may be associated with genetics, trauma, infection, hemangioma or lymphangioma. The basic pathological changes are the spread of proliferating abnormal capillaries and lymphatic vessels and the proliferation of fibrous tissue leading to the dissolution and disappearance of adjacent bone tissue, inactive growth of vascular endothelial cells, and no cellular heterogeneity. Daily prevention: 1, pay attention to the mother’s pregnancy health care: the mother should strengthen nutrition during pregnancy, eat more food rich in protein and vitamin D, such as eggs, lean meat and animal liver; and more sunshine; should also take vitamin D preparations under the guidance of a doctor according to the specific circumstances to prevent the newborn from bone disease. 2, try to use mother’s milk feeding: because the mother’s milk contains the appropriate ratio of calcium and phosphorus, so that the milk of vitamin D and calcium are easy to absorb, therefore, when possible, should try to let the child eat mother’s milk. 3, adolescence to malnutrition, weak and overgrown children sports to avoid trauma, more sunshine, if necessary, under the guidance of doctors to supplement calcium and vitamins. 4.Pathological fractures and other diseases should do a good job of daily protection to avoid wound infection. 5.Treat diseases such as hemangioma or lymphoma in time to avoid deterioration causing osteolysis.