The invention discloses a power supply business hall intelligent guide voice interaction instrument which comprises a support, a first placing plate and a supporting plate, the left end of the bottom of the first placing plate is movably connected with a connecting rod through a first electric telescopic rod, and the top of the connecting rod is fixedly connected with a second placing plate through a support. A third reserved groove of a cross-shaped structure is formed in an inner cavity of the second containing plate, a clamping plate is movably connected to the middle end of the inner surface of the third reserved groove through a rotating shaft, and a square block is fixedly connected to the middle end of the bottom of an inner cavity of the third reserved groove. The device is provided with a first electric telescopic rod, a second placement plate, a bracket, a connecting rod, a clamping plate, a fourth electric telescopic rod, a third reserved groove, a square block, a first extension plate, a driven gear disc, a driving gear disc, a second motor, a second extension plate, a third electric telescopic rod, a second connecting block and a first connecting block, so that the overall use effect of the device is effectively improved.