A connecting structure connecting a head assembly and a handle portion of a vibrating electric cleaning appliance, the vibrating electric cleaning appliance including a handle portion and a head assembly detachably mounted on the handle portion; the handle portion including a handle housing with a hollow portion, a vibration motor, and a vibration shaft; the head assembly being assembled on the handle portion along an axial direction of the vibration shaft, the head assembly including a cleaning element and a brush handle housing; the brush handle housing having a central axis (L 1); a handle interface being provided on the top of a front end of the handle housing; the handle interface and the vibration shaft being accommodated in the hollow portion of the rear end of the brush handle housing, a blind hole of the handle interface is provided in the middle of the handle interface; the rear end portion of the vibration shaft is tightly inserted into the blind hole of the handle interface, characterized in that; a buckle cavity of the handle interface is provided on the handle interface in a length direction of the vibration shaft along a direction perpendicular to the central axis (L 2) of the vibration shaft, the front end surface of the buckle cavity is a buckle locking surface of the handle interface, a buckle combination part including a buckle cantilever and a buckle protrusion is provided in the brush handle housing along its rear end, the buckle combination part extends along a direction from the head assembly towards the handle portion in the brush handle housing, the buckle cantilever is formed in the brush handle housing and is separated from the brush handle housing, the buckle cantilever has a central axis (L 3), the rear end of the buckle cantilever is provided with the buckle protrusion, a locking surface of the buckle combination part is provided on the buckle protrusion, the buckle protrusion is accommodated by the buckle cavity, the locking surface of the buckle combination part fits with the buckle locking surface of the handle interface, a contact part of the cleaning element and an object to be cleaned is located on one side of the central axis (L 1) of the brush handle housing, and the buckle cavity and the buckle protrusion are located on one side of the central axis (L 1) of the brush handle housing opposite to the cleaning element; a vibration shaft circular arc surface and a vibration shaft surface are disposed on the vibration shaft, in the brush handle housing are provided a corresponding vibration shaft joint circular arc surface and a vibration shaft joint surface that are respectively matched with the vibration shaft circular arc surface and the vibration shaft surface. a blind hole of the handle interface is provided in the middle of the handle interface; the rear end portion of the vibration shaft is tightly inserted into the blind hole of the handle interface, characterized in that; a buckle cavity of the handle interface is provided on the handle interface in a length direction of the vibration shaft along a direction perpendicular to the central axis (L 2) of the vibration shaft, the front end surface of the buckle cavity is a buckle locking surface of the handle interface, a buckle combination part including a buckle cantilever and a buckle protrusion is provided in the brush handle housing along its rear end, the buckle combination part extends along a direction from the head assembly towards the handle portion in the brush handle housing, the buckle cantilever is formed in the brush handle housing and is separated from the brush handle housing, the buckle cantilever has a central axis (L 3), the rear end of the buckle cantilever is provided with the buckle protrusion, a locking surface of the buckle combination part is provided on the buckle protrusion, the buckle protrusion is accommodated by the buckle cavity, the locking surface of the buckle combination part fits with the buckle locking surface of the handle interface, a contact part of the cleaning element and an object to be cleaned is located on one side of the central axis (L 1) of the brush handle housing, and the buckle cavity and the buckle protrusion are located on one side of the central axis (L 1) of the brush handle housing opposite to the cleaning element; a vibration shaft circular arc surface and a vibration shaft surface are disposed on the vibration shaft, in the brush handle housing are provided a corresponding vibration shaft joint circular arc surface and a vibration shaft joint surface that are respectively matched with the vibration shaft circular arc surface and the vibration shaft surface.