The present invention is a step of punching a plurality of perforations (S10); Type a hollow ready-made pile in the perforation, but some of the ready-made piles are typed in the perforation in a state where a steel pipe is installed at a position where a slab is installed, and filling between the perforated piles between the H-beam and the H-beam Step of constructing a pile wall by constructing a site pile made of mortar to be (S20); Excavating the ground inside the pile wall (S30); A step of constructing a coupling groove forming a groove by removing a portion of the mortar in the field pile so that the flange of the H-beam is exposed (S40); Attaching a connector to the coupling groove, attaching a strip to the connector, and connecting a strut to the strip to support the pile wall (S50); A method of constructing a basement wall of a structure using a retaining wall, comprising: welding a rebar to the steel pipe, constructing a slab so that the shear bar is embedded, and constructing a wall to contact the pile wall (S60). It is about.
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