To address the questions of how can we prevent soil erosion and how to stop soil erosion, one of the most effective ways to prevent soil erosion is to combine the use of concrete drainage channels and cement blankets. Concrete drainage channels efficiently divert excess water, reducing the scouring force that causes erosion, while cement blankets—when laid on slopes or vulnerable areas—can be quickly cured by watering to form a solid, seamless protective layer. Together, they form a comprehensive defense system: the channels guide water flow away from sensitive soil, and the cement blankets stabilize the soil surface directly, effectively preventing and stopping soil erosion in various scenarios such as slopes, riverbanks, and construction sites.