Open type earphone

The invention discloses an open type earphone, which comprises an ear hanging part and a movement part, and is characterized in that the ear hanging part comprises a connecting part, a bending part and a battery cabin, and the shape of the ear hanging part corresponds to the shape from the helix foot to the helix tail in the auricle helix of a human body; the ear hanging part bends and extends backwards from the connecting end, connected with the movement part, of the ear hanging part to form a bending part corresponding to a groove in the back face of a middle helix of the auricle of the human body in shape, and a gap used for clamping the upper portion of the middle helix of the auricle of the human body is formed between the bending part and the movement part. And the movement part is also provided with a rear sound hole, the sound production hole and the rear sound hole are respectively positioned at the front side and the rear side of the sound production unit in the movement part, at least one group of