The role of the lower protection plate of the front bar of the car: 1, to prevent small objects from splashing into the engine compartment during driving, causing damage to the engine, or to touch the engine oil pan when pulling the bottom, affecting the normal function of the engine, while keeping the engine compartment clean; 2, when wading, it can prevent water from splashing into the engine compartment, and prevent the electrical part from being wet by water and causing trouble.