The effects of smoking on fracture are as follows: 1, smoking can delay fracture healing, or even cause the fracture does not heal, because smoking can affect blood flow, damage blood vessels, the blood supply is not good so that the fracture healing is slow; 2, smoking can affect the amount of oxygen in the blood, so that the fracture and soft tissue contusion recovery is not good, and easy to get infected, and once infected will cause osteomyelitis, and smoking has a clear relationship; 3, after the fracture there are nerves, blood vessels Injury, smoking is likely to cause slow recovery of the nerves, local swelling persists unrelieved, persistent numbness. So smoking has a lot of adverse effects on fractures, and smoking also has an effect on the whole body, damaging organs such as the liver, kidneys and heart. The human body is a whole, if these organs are injured, the local blood circulation is not good, so that the fracture is greatly affected, so no matter whether the fracture is not fracture is not recommended to smoke.