Many hand trauma patients may be smokers, for the doctor ordered not to smoke is always very depressed: what is the relationship between smoking and hand trauma? In fact, it is because the nicotine in cigarettes can cause vasospasm, resulting in impaired blood flow in the fingers, especially the reimplantation of the finger is more likely to occur. In addition to not smoking, hand trauma patients should also pay attention to the following points: 1. absolute bed rest for 1 to 2 weeks, so as to avoid the occurrence of vascular crisis, affecting the limb (finger) survival. 2. 2. keep the affected limb warm: baking lamp or incandescent lamp from the affected limb 40cm or so irradiation to dilate blood vessels (note: prohibited directly to the wound baking), but the affected limb blood conditions are poor when it is not appropriate to use the baking lamp, otherwise it will increase the metabolism of the local tissues. Ideal room temperature conditions should be maintained at 22 ~ 25 ° C, in the room temperature close to 30 ° C can be exempted from the use of baking lamps. 3. 3. Elevate the affected limbs appropriately to help reduce swelling. 4. 4. postoperative routine “three anti-” treatment, namely the use of antibiotics to prevent infection, the use of anti-vasospasm drugs, and the use of anticoagulants. 5. Cooperate with medical personnel, closely observe the blood circulation of the affected limb, timely treatment of postoperative vascular crisis, and save the limb (finger). Doctor’s tip: Hand trauma patients should include smoking cessation in the routine, and do not enter the smoking area, and actively follow the doctor’s instructions, with medical personnel to do a good job of postoperative care.