1.When using plaster fixation, be sure to elevate the affected limb. The purpose is to reduce or avoid swelling of the affected limb. In addition, attention should be paid to prevent skin abrasions and pressure sores from occurring. During daily care, the general condition of the child, the position of the external fixation, and especially the blood flow of the affected limb should be observed: skin color, temperature, and sensation. After the swelling subsides, the external fixation should be re-fixed in time, and if necessary, go to the hospital to review the X-ray film, observe whether the fracture is displaced, and understand the fracture clear condition. 2. Skin care. The skin of children is delicate and prone to infection due to breakage, and once the infection spreads, it is easy to spread. 3. Pay attention to the cleanliness and hygiene of the skin of the whole body, and take good care of it in the morning and at night, especially in the skin folds of the neck, axilla and other areas under pressure. Prevent mosquito bites when the weather is hot. Infants should wash their perineum lightly after each bowel movement. At the same time, to prevent insects from crawling into the plaster, the skin of the sick child should be washed frequently and the debris falling into the plaster. 4, maintain the correct position, children with skeletal injuries often have to be bedridden, and need a specific position to ensure the smooth healing of the fracture. According to the condition and doctor’s request, the child should be turned regularly. 5. Diet: Adequate nutrition is the material basis for repairing damaged tissues, generating energy and maintaining physiological activities, and children have a high metabolic rate, so a reasonable diet can promote smooth healing of fractures. According to the needs of children’s growth and development and treatment needs of the diet, pay attention to the ratio of various nutrients, drink more milk and other calcium-containing foods. For children with anorexia, it is necessary to change the pattern from time to time to encourage eating and prevent malnutrition. When feeding young children or those who need to be in the supine position, do not feed them with large mouths or coax them to avoid choking and coughing by mistake.