the present invention relates to a poly copolymer having an ion exchange group , particularly a positive ion exchange group , a method for manufacturing the same , and use thereof . in the poly copolymer having the ion exchange group according to the present invention , physical characteristics , ion exchanging ability , metal ion adsorption ability and a processability are excellent , and thus the copolymer can be molded in various shapes and can be extensively applied to various fields such as recovering of organic metal , air purification , catalysts , water treatment , medical fields and separating of proteins .