The present invention relates to a pedicle screw module including a head portion in which a cavity having a predetermined size is formed with an open pass hole formed in a lower portion of the cavity and a screw including a screw portion where a screw thread is formed in its outer peripheral surface and a joint portion formed at an upper end of the screw portion and positioned in the cavity, in which the joint portion includes a plurality of first joint units separated at a predetermined distance from each other and fastened by elastic means, each of which has a first recessed groove formed in a circumferential direction on a circumference of an outer peripheral surface and a second recessed groove formed in the circumferential direction below the first recessed groove, and further includes a pressing unit fastened to surround the first joint units through the first recessed groove and the second recessed groove and inserted into the cavity by pressing the first joint units from the outside to the inside and the pressing unit includes a first housing formed in an arc shape to surround the first recessed grooves of the first joint units and a second housing disposed below the first housing to be rotatable in a direction symmetrical to the first housing while facing and corresponding to the first housing and formed in an arc shape to surround the second recessed grooves of the first joint units. The pedicle screw module according to the present invention facilitates a surgical procedure for a person to undergo the surgical procedure based on convenient and firm fastening.COPYRIGHT KIPO 2017본 발명은, 내측에 일정한 크기로 캐비티가 형성되며 상기 캐비티의 하부로 패스홀이 개통된 헤드부 및 외주면에 나사산이 형성된 나사부와, 상기 나사부의 상단에 형성되어 상기 캐비티에 내부에 위치되는 조인트부를 포함하는 스크류를 포함하며, 상기 조인트부는, 복수로 구비되어 상호간에 일정간격 이격되어 탄성수단으로 결속되며, 외주면 둘레에 원주방향으로 형성되는 제1함입홈과, 상기 제1함입홈의 하부에 원주방향으로 형성되는 제2함입홈이 각각 형성되는 제1조인트유닛을 포함하되,상기 제1함입홈과 상기 제2함입홈을 통해 상기 제1조인트유닛들을 둘러 감싸도록 결속되며, 상기 제1조인트유닛들을 외측에서 내측으로 가압하여 상기 캐비티 내부에 삽입되는 가압유닛을 더 포함하며, 상기 가압유닛은, 상기 제1
