Since the most important part of broken finger replantation is surgical anastomosis of blood vessels, and the anastomosed blood vessels are stimulated by pain, cold, nicotine, and change of body position, vascular spasm and embolism may easily occur, leading to necrosis of the replanted finger body. Therefore, the postoperative period is different from the conventional fracture surgery, and the following aspects are mainly noted. 1. Postoperatively, the patient should generally stay in bed for 7-10 days and keep the affected limb properly elevated; 2. Postoperatively, the patient should generally be kept warm, warmed by a bedside baking lamp and maintain a room temperature of 20-25 degrees; 3. The patient should never smoke in the postoperative ward; 4. Postoperatively, the patient should maintain a positive state of mind, avoid excessive tension and anxiety, and actively cooperate with treatment; 5. Postoperative food should be light, easy to digest, nutritious and avoid spicy and stimulating Avoid spicy and stimulating food. Doctor’s tips: regularly observe the blood flow of the replanted finger, discover abnormalities in time, and carry out symptomatic treatment, and operate again to explore if necessary.