Inclusion Criteria:  Patients with pulmonary nodules scheduled for thoracoscopic surgery; Age ≥ 18 and ≤ 75, regardless of gender; Understand and agree to participate in this study and sign the informed consent form.  Exclusion Criteria:  Patients who have previously received EA treatment; Patients with skin infection at acupoints; Patients with nerve injury of upper or lower limbs; Those who have participated or are participating in other clinical trials one month before enrollment.