Inclusion Criteria:  Meeting possible or probable multiple system atrophy (MSA) criteria according to the 2008 second consensus statement on the diagnosis of MSA. Citizens of the People's Republic of China, aged >18 years and <80 years. Hoehn-Yahr stage ≤3. The presence of significant symptoms of dysarthria, dysphagia, orthostatic hypotension or urinary hypotension in patients with MSA. Maintaining medication during the study period. Good compliance, signed written informed consent, and consent to surgical treatment of cervical spinal cord stimulation (SCS).  Exclusion Criteria:  Patients with severe neuropsychiatric disorders or a history of severe neuropsychiatric disorders. Patients with significant cognitive impairment (Mini-Mental State Exam < 24) or inability to complete the questionnaire independently. Presence of anatomical abnormalities or other lesions of the cervical spine that interfere with electrode implantation Dysarthria, swallowing difficulties, orthostatic hypotension from other causes not related to MSA. Critically ill or unstable vital signs. Other conditions that in the opinion of the investigator make them unsuitable for participation in this study.