Water resources and hydropower projects are mostly located in remote areas, near rivers, lakes and seas, and there is more water in the construction area. Platinum gravel plastic formwork is hydrophobic material. Wind, sun, cold and heat have no effect on the performance and geometric size of the formwork. The weight of platinum gravel formwork is only 13Kg/, and there is no need for crane assistance in the process of installation, removal and turnover of formwork. The platinum gravel resistant formwork is a composite formwork with back ribs, which does not need wooden square and nails. The platinum gravel resistant formwork has been successfully applied to Tajikistan Hydropower Station, Wudongde Hydropower Station, Jinping Hydropower Station and Xianning Water Retaining Wall.