Triphenylphosphine is the basic raw material of rhodium phosphine complex catalyst, which has wide application in domestic petrochemical industry. Triphenylphosphine is also used in pharmaceutical industry, organic synthesis, analysis and other fields. Triphenylphosphine can also be used as a brightener in dye process, an antioxidant in color film development, a stabilizer in polyepoxidation, and an analytical reagent.