First, the relationship between wound healing and nutritional care: Wound or incision healing is closely related to the nutritional status of the body. If there is poor nutrition before the trauma and no attention to nutritional support after the trauma, it is difficult to heal the wound. Malnutrition in turn leads to a decrease in immune function and is prone to secondary infection. Wound healing is a process that must have protein (amino acids). Unsaturated fatty acids, carbohydrates, vitamins and trace elements such as iron, copper, zinc and other nutrients to complete the complex process. Second, the wound healing process of nutrition: 1, high protein, high sugar diet: due to bleeding, exudation, pus formation tissue necrosis and other reasons caused by a large loss of protein. 2, collagen-rich pig skin or pig’s feet food. 3.According to the wound healing needs, the diet should provide: copper-rich foods: lean meat, liver, aquatic products, shrimp, beans, cabbage, wheat, coarse grains, almonds, walnuts, etc. Zinc-rich foods: shrimp skin, purple cabbage, pig liver, sesame seeds, soybeans, scallops, etc. Iron-rich foods: animal liver, heart, kidney, whole blood, egg yolk, lean meat, fish are preferred, green leafy vegetables, fruits, Yu fruit, kelp, fungus, brown sugar, etc. Foods rich in calcium: fish pine, shrimp, shrimp, dried beans, soy products, etc. Foods rich in vitamin A: plant foods, animal foods. Foods rich in vitamin C: fresh fruits.