The utility model relates to a test blender for a low-water-binder ratio neat cement paste. The test blender comprises a base, a stand rod, a connecting piece, a cross rod, a main unit, a stirring rod and a stirring blade, wherein the lower end of the stand rod is inserted into a blind hole of the base vertically and is fixedly connected in the blind hole; the upper end of the stand rod is sleeved with a first through hole of the connecting piece, the left end of the cross rod and a second through hole of the connecting piece fixedly; the right end of the cross rod is fixedly connected with the main unit; and one end of the stirring rod is fixedly connected to the center of the lower surface of the main unit, and the other end of the stirring rod is fixedly connected with the center of the stirring blade. When the test blender is used, the rotation speed of the test blender is 10 to 15 times higher than that of the conventional blender, the weight of the test blender is 1/10 of that of the conventional blender, and the test blender is large in shearing force, stable in structure and convenient to disassemble and carry; and compared with the conventional blender, the test blender has the characteristics of simple maintenance and convenience for use, and prepared slurry is uniform and high in flowability and stability.