According to the present invention, a massage chair system for improving a cognitive ability of a user comprises: a head mounted display (HMD) device which provides game content for improving a cognitive ability to a user having dementia or mild cognitive impairment； and a massage chair which performs operations of a plurality of massage content with respect to a body and controls performance of operation of the game content with respect to the HMD device connected through a communications network. The massage chair comprises: a cognitive ability analysis unit which analyzes a cognitive ability including memory, performance ability, visual perception, attention, and language ability with respect to the user based on cognitive ability question and answer information and biometric registration information, and generates cognitive ability analysis information corresponding to the user according to the analysis of the cognitive ability； a massage content determination unit which determines at least one matching massage content including a massage type and a massage level corresponding to the cognitive ability analysis information among the massage content； a game content determination unit which determines at least one matching game content including a game type and a game level corresponding to the cognitive ability analysis information among the game content； and an operation control unit which controls performance of a massage operation corresponding to the matching massage content and controls performance of a game operation corresponding to the matching game content according to a determination result of the massage content determination unit and the game content determination unit.본 발명에 따른 사용자의 인지능력 개선을 위한 안마의자 시스템은, 치매 또는 경도인지장애를 갖는 사용자에게 인지능력 개선을 위한 게임 컨텐츠들을 제공하는 HMD(Head Mounted Display) 디바이스； 및 신체에 대한 복수의 안마 컨텐츠들의 동작을 수행하고, 통신망을 통해 연결된 상기 HMD 디바이스에 대한 상기 게임 컨텐츠의 동작 수행을 제어하는 안마의자를 포함하고, 상기 안마의자는, 인지능력 문답정보와 상기 생체등록정보를 근거로 하여, 상기 사용자에 대한 기억력, 행위수행능력, 시지각 인지력, 주의
