After appendicitis surgery, it is recommended to resume smoking after 1 month. Appendicitis is usually treated by appendectomy or minimally invasive surgery, i.e. laparoscopic appendectomy. Regardless of the type of surgery, it is traumatic for the patient, with wounds or puncture holes in the abdomen and surgical operations inside the abdominal cavity, which may lead to local oozing, blood leakage, and possible residual infection, etc. Patients are usually not advised to smoke for 1 month after surgery because smoking may cause vascular lesions in patients, such as vasospasm, which may lead to inadequate local blood supply to the wound and the abdominal cavity, affecting wound healing and possibly the recovery of the patient’s intra-abdominal cavity. After 1 month postoperatively, the patient will basically be able to return to full normalcy, without much difference from before the surgery, in which case a return to smoking can be considered.