In order to explore the influence of ink viscosity on the printing characteristic of gravure，a series of color batch with different length of ink cell diagonal were engraved on the gravure cylinder by using electronic engraving machine.and the printing samples were made on a gravure press with different viscosity inks and curves of printing characteristic were drawn. The results show that the decrease of ink viscosity have a certain effects on the printing characteristic of gravure such as minimum，maximum and skip of density on presswork.