Patients after appendicitis surgery are advised not to smoke. This is because smoking can cause local vasoconstriction of the patient’s blood vessels and affect the healing of the patient’s wound. However, if the patient’s surgery went very well and the incision healed well, a small amount of 1-2 cigarettes 7-10 days after surgery will not have a serious impact on the recovery, but more smoking is not recommended, after all, more smoking can also cause lung infection. In addition, if the appendicitis has a serious infection after surgery, the abdominal infection is more serious and the gastrointestinal function has not recovered. In this case, it is recommended that patients smoke 1-2 months after surgery, because the recent gastrointestinal motility function of the operation has not recovered, there will be flatulence, and patients cannot eat or drink. Blind smoking in this case is not only detrimental to recovery, but can cause aggravation of local infection, causing delayed wound healing and slow recovery of gastrointestinal function in patients.