27. An emotion recognition method, comprising: collecting sensing data from a terminal; acquiring a first emotion value corresponding to a first axis of a multidimensional emotion model based on an amount or an intensity of the sensing data; acquiring a second emotion value corresponding to a second axis of the multidimensional emotion model based on a meaning of the sensing data; acquiring a third emotion value corresponding to a user's personality trait; and estimating an emotional state of the user based on at least two selected from the group of the first emotion value, the second emotion value, and the third emotion value.
28. The emotion recognition method of claim 27 , wherein the estimating the emotional state of the user comprises: estimating an internal emotional state of the user based on the first and second emotion values; and estimating an external emotional state of the user based on the first, second, and third emotion values.