Color master batch is a nano anti-cross dyeing master batch, which adopts nano honeycomb net and has a strong adsorption effect on color particles falling off clothes. The masterbatch can remove dirt from clothes, keep the original color of clothes, and remove unpleasant smells such as sweat and odor. Nanofiber materials form honeycomb meshes, which firmly absorb dirt and impurities in clothes and take away bacteria.