Effect of Transcutaneous Acupoint Electrical Stimulation (TAES) on Postoperative Cough in Lung Cancer

Inclusion Criteria: * Age between 18 and 80 years old - Surgery performed under general anesthesia for radical resection of lung cancer or lung cancer resection combined with lymph node dissection. * Pathological confirmation of primary lung cancer after surgery. * Duration of persistent dry cough after lung surgery ≥2 weeks. * Consciousness, ability to express opinions clearly, and voluntary signing of informed consent. Exclusion Criteria: * Patients diagnosed with acute respiratory system diseases within 1 month. * Patients diagnosed with pneumonia based on chest X-ray. * Patients with a history of asthma or tuberculosis. * Patients with uncontrolled hyperthyroidism, severe hypertension, heart disease, systemic infection, coagulation disorders (hypercoagulable state or bleeding tendency), or other severe systemic diseases. * Patients who have used steroid drugs within the past 3 months. * Patients who have taken angiotensin-converting enzyme inhibitors (ACEIs) within the past 6 months. * Patients with surgical incisions, skin allergies, wounds, or infections in the treatment area. * Patients who cannot tolerate transcutaneous acupoint electrical stimulation or withdraw during the procedure. * Patients with contraindications to transcutaneous electrical stimulation or implanted electrophysiological devices. * Patients who are pregnant or breastfeeding.