The present invention relates to the technical field of emotion sensing, and in particular, relates to an emotion sensing smart terminal and a sensing method thereof. The emotion sensing smart terminal includes: a processing chip, a measuring electrode unit and a human body physiological parameter measuring circuit, wherein the processing chip and the human body physiological parameter measuring circuit are respectively arranged in the smart terminal, the measuring electrode unit is arranged on a housing of the smart terminal, the measuring electrode unit is configured for being in contact with a human body, the human body physiological parameter measuring circuit is configured to calculate a human body physiological parameter using the measuring electrode unit, and the processing chip is configured to analyze the human body physiological parameter to obtain a current emotion state of the human body. According to the present invention, human body physiological parameters are more conveniently and quickly detected corresponding human emotion states are analyzed according to the human body physiological parameters. This is favorable to improving user experience and enhancing sense of reality and interaction experience of the games.