Roller is quantitative for flexographic ink system's major components, flexographic printing presses, has been hailed as the "heart", quality of the roller directly affect the quality and effectiveness of print. Roller ink performance means its acceptance, the ability to transfer ink and uniformity. Roller ink performance and network capacity arrangement of shapes, angles, and roller lines, materials and so on. Following each of these factors influence on performance of ink roller. Open overlooking the point shape of diamond, Hexagon, greater opening of regular hexagonal hole, thus, ink, ink performance better than diamonds. Network profiles for hemispheric, this network network wall smooth, ink transfer. Network point of arranging angle: 30 °, 45 ° and 60 °.