Foundation pit supporting structure facilitating drainage

The utility model discloses a foundation pit supporting structure facilitating drainage, and mainly relates to the field of foundation pit supporting. Comprising a drainage ditch arranged at the bottom of a foundation pit and a plurality of supporting plates in contact with the side wall of the foundation pit, the supporting plates are provided with a plurality of overflow holes, the bottom plate is fixed to the bottom of the foundation pit, supporting vertical plates in contact with the side wall of the drainage ditch are symmetrically arranged at the bottom of the bottom plate, a filtering groove plate is arranged between the two supporting vertical plates, and the filtering groove plate is arranged in the drainage ditch. A plurality of through holes are formed in the position, located above the filtering groove plate, of the bottom plate, a plurality of filtering holes are formed in the side wall of the filtering groove plate, a plurality of anchoring rods are arranged on the side wall of the foundation pi