Customizable prefabricated hoistway pit

The utility model relates to a customizable prefabricated hoistway pit. The customizable prefabricated shaft pit comprises a bottom plate, a first side plate, a first hinge piece, a second side plate and a second hinge piece. First surfaces and second surfaces which are opposite in orientation are formed on the bottom plate, the first hinge pieces are fixed to one side edge of the first surfaces, the second hinge pieces are fixed to the other side edge of the first surfaces, and the two first hinge pieces and the two second hinge pieces are symmetrically arranged on the first surfaces respectively; one end of the first side plate is mounted on the first hinge piece, and one end of the second side plate is mounted on the second hinge piece; the two first side plates are symmetrically arranged, the two second side plates are symmetrically arranged, and the two first side plates, the two second side plates and the bottom plate define a pit mounting base. The customizable prefabricated well pit has the advantage