Brush

The utility model provides a brush and belongs to the field of daily necessities. Existing brushes are not good in cleaning effect and are not convenient to use when used for cleaning uneven surfaces. In order to solve the problems, the brush comprises a brush body and contacts, a cavity is formed in the brush body, a plurality of holes are formed in the outer surface of the brush body, one end of each contact is arranged in the corresponding hole in a sliding mode, the contacts are matched with the holes, the holes are communicated with the cavity to form an enclosed space, and brush bristles are arranged at the other ends of the contacts. When the brush is used, the contacts can move along the inner walls of the holes, the positions of the contacts are adjusted according to the conditions of a surface to be cleaned, and accordingly the brush bristles make full contact with the surface to be cleaned, and the brush is quite convenient to use; meanwhile, the communicated enclosed space is formed in the holes, so force acting on the brush can be uniformly distributed on the contacts, the brush bristles well act on the surface to be cleaned, and the cleaning effect is enhanced.