The invention discloses a novel cleaning brush which comprises a cleaning brush shell, wherein one end of the cleaning brush shell is provided with a first brush block, and the other end of the cleaning brush shell is provided with a brush handle; two sides of the cleaning brush shell are sequentially provided with a first groove and a second groove from outside to inside; one end of the first brush block is provided with bristle; the bottom surface of the second groove is connected with one end of a compression spring, and the other end of the compression spring is connected with second brush blocks arranged in the first groove; one end of each second brush block is provided with bristles; the upper and lower ends of two side walls of the cleaning brush shell are rotatably connected with check blocks. The novel cleaning brush is internally provided with one first brush block and two brush blocks, and people can sequentially clean object surfaces for multiple times by use of the bristles on the first brush block and the second brush blocks, so that the object surface cleanliness is greatly improved; when not in use, the second brush blocks can be put back into the first groove, so that normal operation is not influenced.