A screw supplying module includes a main body, a feeding body and a holding module. The main body includes a second portion, a third portion and a hollow part. The holding module includes a screw chamber, a plurality of clamping pieces, an elastic piece and a fixing piece. The screw chamber includes an input portion, an outer ring wall and an inner space. The plurality of clamping pieces are inserted into the plurality of holes respectively. Accordingly, the plurality of clamping pieces are partially located in the inner space and are partially exposed from the holes of the screw chamber. The elastic piece is sleeved on the outer ring wall, and the elastic piece abuts against the part of the plurality of clamping pieces exposed from the holes. The fixing piece is sleeved on the outer ring wall and is configured to fix the elastic piece.