Pigment for plastic PVC products. The special phosphor pigment for PVC is mainly composed of fluorescent whitening agent, dye, diluent and additive, which is in powder form. The pigment has the characteristics of high strength, good light resistance, high temperature resistance and strong weather resistance, and can be used for dyeing and coloring various PVC products, such as plastic bags, PVC silk sleeves, PVC floors, PVC pipes and the like.