Platinum catalyst (English name platinum catalyst) is a general term for a catalyst made of metal platinum as the main active component. The platinum metal mesh, platinum black, or platinum may be supported on a carrier such as alumina, and may also contain a promoter component such as metal ruthenium. Mainly used in ammoxidation, petroleum hydrocarbon reforming, oxidation and hydrogenation of unsaturated compounds, removal of carbon monoxide and nitrogen oxides in gases. It is a catalyst often used in chemical, petroleum and chemical reaction processes. It has high catalytic activity, strong selectivity, convenient catalyst preparation and low usage. It can optimize the catalytic performance by changing and improving the manufacturing method and compounding with other metal or cocatalyst active components. It has a wide range of applications, can be repeatedly regenerated and activated, and has a long life. The metal palladium of the spent catalyst can be recycled and reused. Many platinum catalyst varieties have become patented products, which are widely used in various industries. Platinum catalysts with new structure and catalytic function are still being developed, which not only makes many difficult reaction processes catalyzed by platinum catalysts, but also makes Many industrial processes such as petroleum and chemical industry have been improved and improved by adopting newly developed platinum catalysts, which simplifies the process and improves economic benefits. Therefore, platinum catalysts still have great development prospects.