Tree pit loosening and ploughing device

The invention relates to garden maintenance equipment, in particular to a tree pit loosening and ploughing device which comprises a base and a soil loosening mechanism installed on the base. An annular track is arranged on the base; the soil loosening mechanism comprises a connecting piece which is connected into the track in a sliding manner; the driving assembly is used for driving the connecting piece to slide in the track; the mounting seat is fixedly connected to the connecting piece, and a slide way I which is arranged along the radial direction of the connecting piece is arranged on the mounting seat; the telescopic piece is connected into the slide way I in a sliding manner; the mounting seat is mounted on the base; the adjusting part I is used for driving the telescopic part to reciprocate in the slide way I; the slide way II is vertically arranged on the telescopic piece; the mounting piece is connected into the slide way II in a sliding manner; the adjusting part II is mounted on the telescopic par