This emergency life jacket flood prevention professional vest features a 450D waterproof Oxford fabric outer layer with EPE high-buoyancy filling material, providing ≥88N buoyancy protection. Weighing ≤1kg without adding burden. Shoulders and chest equipped with large reflective patches for high visibility in adverse conditions. Tested in 215 flood control operations, providing stable protection in rapid currents, successfully protecting 5,800 frontline flood control personnel, making it core protective equipment for emergency disaster relief.