Smoking does not generally lead to necrosis of the toes, necrosis of the toes is considered to be related to diabetes, vascular disease and so on. Suffering from diabetes, can make the toe part of the nerve endings and peripheral blood vessel lesions, resulting in the toe part of the ischemia and hypoxia, causing diabetic foot, this situation will occur in the toe necrosis. Suffer from vascular diseases such as vasculitis, vascular local embolism, etc., blood circulation in the foot is impaired, long-term can be caused by soft tissue and bone tissue necrosis in the toe area, which is manifested as necrosis of the toes. And smoking is one of the triggering factors for diabetes, vascular diseases, etc., which may increase the risk of the disease. However, it does not usually lead directly to necrosis of the toes. When necrosis of the toes occurs, it is recommended to consult a doctor in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor. In addition, it is recommended to reduce the number of cigarettes or quit smoking to avoid affecting your health.