Can mild hyperbaric oxygen therapy help improve memory

INTERVENTION: Intervention Group:Micro‐hyperbaric oxygen combined with conventional treatment, micro‐hyperbaric oxygen treatment group: 0.13 MPa (˜1.30 ATA), oxygen concentration >=90% pure oxygen; Each time for 70 to 90 minutes (including the time for blood pressure increase and decrease); Five times a week, for a total of 20 times.;Control Group:Only provide standardized health management; CONDITION: Mild Cognitive Impairment PRIMARY OUTCOME: Montreal Cognitive Assessment (MoCA); SECONDARY OUTCOME: P‐tau217;Mini‐Mental State Examination (MMSE);Safety endpoint monitoring; INCLUSION CRITERIA: 1. Recruit permanent residents of Shihezi City aged 55–80 years (residing for >= 6 months). 2.Diagnostic criteria for the Mild Cognitive Impairment (MCI) group: meeting the criteria for Mild Cognitive Impairment as per the Chinese Guidelines for the Diagnosis and Treatment of Dementia and Cognitive Disorders. 3.All study participants provide informed consent, express willingness to cooperate with and complete cognitive assessments, and are willing and able to complete 20 sessions of mHBO intervention.