Abstract: Short carbon fiber/ethylene-vinyl acetate copolymer (SCF/EVA) conductive composites were prepared by spatial confining forced network assembly (SCFNA). The evolution of the distribution of conductive fillers in SCF/EVA composites prepared by SCFNA method and the effect of the method on the electrical and mechanical properties of composites were investigated. Compared with the traditional blending method, the spacing of SCF on the conductive network of SCF/EVA composites prepared by SCFNA method is reduced, and the network compactness, electrical conductivity and mechanical properties are improved. The experimental results show that the percolation threshold of SCF/EVA composites prepared by SCFNA method is 6.5 wt%, which is lower than the blending self-assembly method which is 8.2wt%. At the same SCF mass fraction, SCF/EVA composites is up to 4 orders of magnitude higher than that of self-assembly by blending method. The mechanical properties of SCF/EVA composites increase first and then decrease with the increase of SCF mass fraction. The mechanical properties of10 wt%SCF/EVA composites are the best, and the tensile strength reaches 19.86 MPa.