Blender

Proposed is a blender in which the misassembly of a knob is prevented. The blender includes a container body in which food is received, a main body provided under the container body and configured to support the container body, and a container lid mounted detachably to an upper surface of the container body and configured to open and close the upper surface of the container body, wherein the main body is provided with the knob to which rotation manipulation is input, a main PCB module to which the knob is coupled, and a misassembly prevention part which allows the knob to be coupled to a precise position of the main PCB module. According to the blender, the misassembly of the knob is prevented and work efficiency thereof is improved.