Repair material is a kind of material specially for timely repairing diseases of cement concrete pavement, such as hemp surface, hollow drum, peeling, shelling, cracks, bars and so on. It can be directly applied to the defective parts. It needs super compressive strength and bonding strength to realize super-thin repair. It will not break and fall off under high-speed and high-pressure driving conditions. All surface diseases of cement concrete are suitable. Used for this material.