Bone conduction sounding device and earphone

The utility model discloses a bone conduction sounding device and an earphone, the bone conduction sounding device comprises a housing, a vibration assembly and an elastic sheet assembly, the vibration assembly is arranged in the housing, the vibration assembly vibrates along a vibration axis, the elastic sheet assembly is connected with the vibration assembly, and the elastic sheet assembly is connected with one end of the housing to form an end seal; the elastic sheet assembly comprises a first elastic sheet and a vibrating diaphragm, the first elastic sheet is provided with at least one hollow structure, and the vibrating diaphragm covers the surface of one side, far away from the vibrating assembly, of the first elastic sheet; according to the bone conduction sound production device, air circulation on the two sides of the elastic piece is effectively avoided in the mode that the surface of the elastic piece of an existing hollow structure is covered with the vibrating diaphragm, the vibration of the firs