Indoor floor electric cleaning machine

The invention discloses an indoor floor electric cleaning machine which comprises a cleaning machine shell and an inner machine frame placed in the cleaning machine shell, a first containing cavity capable of containing the inner machine frame is formed in the shell, and a sweeping mechanism, a dust suction mechanism and a mopping mechanism are fixedly connected to the inner machine frame. Throughholes allowing the lower end faces of the sweeping mechanism, the dust collection mechanism and the mopping mechanism to extend out and make contact with the ground are formed in the bottom face of the first containing cavity, the inner machine frame is slidably connected with the inner side wall of the first containing cavity through a lifting mechanism, and the lifting mechanism comprises a first rotating shaft and a second rotating shaft which are rotatably connected to the inner side wall of the first containing cavity in the horizontal direction. The outer side wall of the first rotatingshaft is in transmission