The present invention relates to an automatic multi-needle needle assembly apparatus and a multi-needle needle assembly method using the same, and more particularly, to a needle assembly for a multi- So as not to occur. An automatic multi-needle assembly apparatus according to the present invention includes: a hub supply unit (100) for supplying a hub having a plurality of needle insertion holes; A needle supply part 200 for storing a plurality of needles and supplying the stored needles one by one; A needle pick-up unit 300 for picking up one needle from the needle supply unit; A needle assembly 400 for inserting a needle picked up from the needle pick-up part into a needle insertion hole of a hub supplied by the hub supply part; And a discharge loading part (500) for transferring the hub cartridge assembled with a needle to the hub through the needle assembly part to a discharge position, wherein the needle supply part stores a plurality of needles lying down and supplies the needles one by one, The needle is fed from the needle feeding part in a lying state and moved to the needle assembly part so that the needle is raised upward and the needle is inserted into the needle insertion hole of the hub by the needle assembly part. A method for assembling an automatic multi-needle needle according to the present invention includes: a first step of preparing a plurality of needles 13 in a needle cartridge 210; A second step of inserting the hub 11 into the hub cartridge 110 and preparing the hub cartridge 110 and mounting the hub cartridge 110 in which the hub 11 is inserted to the hub cartridge supply unit 100; A third step of transferring the hub cartridge 110 prepared in the second step to the needle assembly; A fourth step of feeding the needles prepared in the first step one by one; A fifth step of picking up the needle fed in the fourth step and transferring the needle picked up to the needle assembly part so as to raise the needle; A sixth step of inserting the n