The invention relates to mixing equipment, in particular to a material mixer and aims to solve the technical problem of the material mixer that a mixing rod can be detached and the height of a mixing blade can be changed. In order to solve the technical problem, the material mixer comprises a base plate, a moving plate, a moving block, a first installation block, a second installation block, a cylinder, a mixing barrel, a column, a clamping plate, a machine head, a mixing shaft, a mixing rod and the like; a first groove is formed in the top in the base plate, the moving plate is in sliding connection to the inside of the first groove, the moving block is connected to the left end of the moving plate in a screw fastening manner, the first installation block is connected to the left side of the top of the moving plate by a screw, and the second installation block is connected to the right side of the top of the moving plate by a screw. The mixer can mix the material, the mixing rod of the mixer can be detached, and cleaning and replacement of the mixing rod are convenient.