Triphenylphosphine has a wide range of applications in the chemical industry and is an important catalyst for the synthesis of fine chemicals. Through technological improvements, new petroleum processing catalysts can be better applied; New biocatalytic technologies and catalysts; New environmentally friendly catalysts; New catalysts for organic synthesis; New catalysts for polyolefins; New materials for catalyst carriers and various new co catalytic materials; It can also be used as a new type of paper specific chemical book for functional fine chemicals; New oilfield chemicals suitable for protective mining and enhanced oil recovery; New surfactants; High performance, water-based functional coatings and additives; New textile dyeing and finishing auxiliaries; High performance environmentally friendly adhesive; New safe and environmentally friendly pigments and dyes; High performance environmentally friendly leather chemicals. Triphenylphosphine can also be used as an intermediate in the chemical synthesis of various important chemical products, such as β – carotene, cefoperazone, and cefdinir.