Breathable and comfortable cardigan and processing technology thereof

The invention discloses a breathable comfortable cardigan and a processing technology thereof, and relates to the technical field of clothing supplies. The cardigan comprises a cardigan body, the cardigan body comprises a first knitted layer, a second knitted layer is arranged on the inner side face of the first knitted layer, and a first strip-shaped block and a second strip-shaped block are arranged on the opposite sides of the first knitted layer and the second knitted layer respectively. By adopting the design of the first strip-shaped block and the second strip-shaped block, the first knitting layer and the second knitting layer can be supported, so that the first knitting layer and the second knitting layer are not prone to deformation, the first communication hole and the second communication hole are not prone to being shielded, and the flow guide cavity is not prone to being closed up and down due to collapse and softening of the first knitting layer and the second knitting layer; the first communica