The invention discloses a gravel cleaning and mud-removing device for building materials in the building field. The gravel cleaning and mud-removing device comprises a shell, a concentrating device containing in the shell, a lifting device, a stirring device arranged on the shell, a first rolling wheel device contained in the shell, a second rolling wheel device arranged on the shell and an electric cylinder device arranged on the outer side of the shell. By means of the gravel cleaning and mud-removing device for building materials in the building field, full contact between gravel and water can be achieved, the gravel can be thus cleaned, cleaning is even and full, operation is easy, using is convenient, the requirement for gravel cleaning can be well met, and the quality of buildings is guaranteed.