A teaching and demonstration tool for simulating fabric construction, which is used for demonstrating the fabric construction and assisting in teaching and designing fabric constructions. The teaching and demonstration tool includes a frame body for fixing the warp strips (6) and weft strips (7), and a plurality of pairs of positioning members (3). The frame body includes longitudinal bars (1) and latitudinal bars (2). A plurality of warp strips (6) and weft strips (7) are fixed on the longitudinal bars (1) and the latitudinal bars (2) respectively by the plurality of positioning members (3). Both the longitudinal bars and latitudinal bars (1, 2) are provided with scale lines.