Embodiments of the present disclosure provide an earphone, comprising a sound production component, comprising a transducer and a housing accommodating the transducer, a sound outlet hole being provided on an inner side surface of the sound production component, the inner side facing an auricle of a user, and the sound outlet hole being configured to transmit a sound produced by the transducer out of the housing toward an ear canal of the user; and an ear-hook, configured to place the sound production component at a position adjacent to the car canal but not blocking an ear canal opening in a wearing state; wherein, at least a portion of the sound production component inserts into a cavum concha.