Sewing thread with high elasticity

The utility model discloses a sewing thread with high elasticity, which comprises a matrix main core, a plurality of strands of main wire cores and a plurality of strands of auxiliary wire cores, the outer side of the matrix main core is provided with a plurality of groups of mutually parallel mounting grooves, the plurality of strands of main wire cores are respectively arranged in the mounting grooves, the main wire cores and the matrix main core form a main wire body, and the auxiliary wire cores are arranged in the main wire body. A bonding layer is arranged on the surface of the outer side of the main wire body, the multiple strands of auxiliary wire cores are mutually wound and arranged on the outer side of the main wire body in a net shape, a stretching layer is arranged on the surface of the outer side of each auxiliary wire core, and a filling layer is arranged on the inner side of each stretching layer. The matrix main core is made of the rubber material, the overall elastic performance of the sewin