Based on the analysis of spectrum,density and color characteristic of screen primitive color printing ink,the tentative plan and basis of screen printing primitive color pigment was put forward and the yellow ink was taken as example to illustrate the selection of pigment.

Dot is a bottleneck problem of quality of half-toning printing on fabrics with primary color dyes, and it is affected by fabric's texture directly.

Halftone dots are a key problem in determing the qualities of halftone printing fabrics with primary color dyes; and they are directly affected by fabric textures.