TF-PHA is a specially designed compound hydrogen peroxide bleaching synergist, which can effectively inhibit the decomposition and catalysis of various transition metal ions to hydrogen peroxide under alkaline conditions in the production process, stabilize the hydrogen peroxide bleaching process, and greatly improve the efficiency of hydrogen peroxide bleaching. The product is resistant to high temperature, suitable for medium alkaline system, and can be used in various fields of hydrogen peroxide bleaching. The product is non-toxic and harmless, in line with the requirements of green environmental protection. Can effectively improve hydrogen peroxide bleaching efficiency, cost-effective.