The invention discloses a novel night-luminescent textile dye, which comprises the following raw materials in parts by weight: 35 to 85 parts of polyamide resin, 25 to 65 parts of phthalocyanine dye, 12 to 60 parts of wetting dispersant, 12 to 36 parts of photo-stabilizer, and 5 to 15 parts of antioxidant, wherein the phthalocyanine dye is one or more of metal tetrasulfo-phthalocyanine dye, sulfonated phthalocyanine dye, and zinc phthalocyanine dye. Through the abovementioned technical scheme, the production cost of the textile dye is low, the stability of the textile dye is good after dyeing, the coloring technology is simple, the dye is usually used to dye cotton fabrics, the visual effect is good after dyeing, the colors are abundant, and the dye can be applied to the printing and dyeing of firefighting fabrics.