There are many reasons affecting trauma repair, such as infection, high blood sugar, poor nutrition, strenuous exercise, etc., as follows: 1, infection: when the local infection will lead to slow trauma repair, need to go to the hospital as soon as possible to the Department of Surgery or Emergency Department for examination, need to be given to the regular change of medication, remove infected necrotic tissue if necessary, and then give antibiotics for treatment; 2, high blood sugar: when the patient has diabetes and blood sugar control is not satisfactory, it will lead to slow recovery of the wound. Blood sugar control is not ideal, will lead to slow recovery of the wound, need to actively control the diet, and give oral hypoglycemic drugs, or play insulin for treatment; 3, poor nutrition: may be caused by poor nutrition, the need for proper intake of nutritious substances, such as fresh fish, shrimp, and lean beef, etc., and the need for proper intake of vitamin-rich fruits and fresh green vegetables; 4, strenuous exercise: Too strenuous exercise can also affect trauma healing.