It is used as an efficient dispersant and purifier in the formulation of gasoline cleaners, which can effectively disperse and dissolve the carbon deposits and deposits generated during the combustion process, improve the fuel atomization effect, reduce fuel consumption and emissions, and are also directly added to the refined oil storage, transportation and irrigation by refineries and gas stations, used as gasoline fuel improvers, improve the quality of gasoline, and are an important part of the upgrade of "brand fuel" in chain gas stations.