This inflatable buoyancy vest is specially designed for flood control operations, featuring wear-resistant waterproof Oxford fabric outer layer with EPE high-density polyethylene foam filling, providing ≥50N inherent buoyancy and ≥100N total buoyancy protection. Equipped with a ≤5-second quick auto-inflation system, front-opening design facilitates rapid donning and doffing, suitable for flood warning, dam inspection, urban waterlogging and other flood prevention scenarios. The high-visibility orange design with shoulder reflective strips maintains good recognition rate in various adverse weather conditions, while the chest rescue whistle facilitates team communication. Universal size lightweight design suits extended flood control missions.