The present invention discloses an expression recognition apparatus and methods using a head mounted display thereof. A head mounted display apparatus for performing expression recognition according to an embodiment of the present invention comprises a sensing unit including at least one of expression detection sensing units installed inside of said apparatus for sensing expression information around eyes by at least one of a contact or a non-contact manner; an image acquiring unit installed outside of said apparatus for collecting expression information around a mouth; and an acquisition unit for information of expressions for collecting expression information around the eyes and expression information around the mouth.