Knife assembly and slicing food processor

The utility model provides a knife assembly and a slicing food processor. The cutter assembly comprises a cutter head assembly and a cutter head assembly. The cutterhead assembly comprises a cutter shaft and a cutterhead arranged on the cutter shaft, and the cutter shaft and the cutterhead are relatively fixed. The blade assembly comprises a mounting part and a blade arranged on the mounting part, one of the mounting part and the cutter shaft is provided with a connecting structure, the other one of the mounting part and the cutter shaft is provided with at least two matching structures connected with the connecting structure in a matched mode, the multiple matching structures are arranged in the axial direction of the cutter shaft, and when the connecting structure is connected with the different matching structures in a matched mode, the blade is arranged on the blade assembly. The blades are parallel to the cutterhead and have different axial clearances, and the axial clearances are equal to the slicing th