Smoking during appendicitis is more harmful. Smoking has a great impact on appendicitis patients because smoke contains a large amount of nicotine and other harmful substances, which can damage the gastrointestinal mucosa, causing vasoconstriction, affecting the blood supply to the gastrointestinal tract and thus affecting the intestinal digestive function, which will also affect the appendix. At the same time, if you smoke after appendicitis surgery, it is easy to cause respiratory tract irritation and coughing, resulting in appendiceal incision severe pulling pain, is not conducive to the recovery of the incision, which may lead to bleeding or even infection of the incision. Therefore, smoking is more harmful to appendicitis and easily induces the condition. If you smoke after appendicitis surgery, it is not conducive to the recovery of the incision. If smoking causes discomfort, you should go to the hospital in time to avoid aggravating the condition.