Collar support capable of keeping collar type three-dimensional

The utility model relates to the technical field of clothing packaging, and provides a collar support for keeping a collar type three-dimensional, two long holes are arranged at one end of a collar support body, a first bulge and a second bulge which can be clamped into the long holes are arranged at the other end of the collar support body, when the collar support body is bent and the two ends of the collar support body are clamped, the first bulge is clamped into one long hole in the forward direction, and the second bulge is clamped into the other long hole in the reverse direction; the first protrusion is reversely clamped into one long hole, the second protrusion is reversely clamped into the other long hole, so that the collar support body is annular, the double and reverse clamping mode can resist tension brought by bending of the collar support body, the first protrusion and the second protrusion are reversely clamped, the two ends of the first protrusion and the second protrusion have mutual counterb