Inclusion Criteria:  Patients diagnosed with pulmonary nodules requiring thoracoscopic surgery. Understand and agree to participate in this study and sign the informed consent.  Exclusion Criteria:  Patients who had previously received TEAS. Patients with local skin infection of acupoints. Patients with nerve damage in the upper or lower extremities. Participants who had participated in or were participating in other clinical trials within 1 month prior to enrollment.