Movable fluted disc, static fluted disc and scroll compressor

The utility model discloses a movable fluted disc, a static fluted disc and a scroll compressor, which are used for solving the problems that the root of a scroll wrap and a tooth surface base plate are easy to generate stress concentration, the root of a movable scroll wrap and the root of the movable scroll wrap are thin and easy to break, and the integral size and the mass of a pump body of the scroll compressor are large due to the thick scroll wrap. According to the movable fluted disc, one axial side of the movable fluted disc is provided with a first scroll wrap protruding in the axial direction of the movable fluted disc, and the first scroll wrap is provided with a plurality of tooth sections which are distributed in a stepped mode and are gradually decreased in thickness in the protruding direction of the first scroll wrap. According to the static fluted disc, one axial side of the static fluted disc is provided with a containing cavity, the bottom of the containing cavity is provided with a second