The utility model discloses an aluminium foil paper cuts rotor, the roll body that is the rectangle including the cross -section, be fixed with first fixed plate and second fixed plate on the roll body, simple structure, first fixed plate and first fly leaf are through a spring coupling, second fixed plate and second fly leaf are through the 2nd spring coupling, still wear to be equipped with first sword portion, second sword portion, third sword portion and blocking part on the roll body, first, two, three sword portions all include the cylinder somatic part and lie in the cutting part on the cylinder somatic part periphery. The utility model discloses a width of cutting can be adjusted as required to the cutting rotor.