Inclusion Criteria:Sixty patients with elective lobectomy； heart function grade I or II；ASA grade I or II；aged 18-70 years.  -  Exclusion Criteria:Non-lobectomy patients； age <18 and > 70 years old；heart function grade ≥ III, ASA grade ≥ III; Hypersensitivity to local anesthesia；combined with immune disease or immunosuppression;severe mental illness unable to cooperate with SGB;abnormal neck anatomy；Stellate ganglion block failure；the patient refused to participate in the study.  -