The present invention relates to an orthodontic device capable of displacing and correcting teeth if necessary. The orthodontic device comprises: an inner head support unit (110) directly supported by a head including a forehead and having a rail guiding rotation of an outer head support unit (120) the outer head support unit (120) connected to the inner head support unit (110) and horizontally rotated along the rail of the inner head support unit (110) a first connection unit (130) connected to the outer head support unit (120) by a first shaft (410) a mandibular angle support unit (140) rotated with respect to a second shaft (420) fixated to the first connection unit (130) supported by a mandibular angle a front jaw support unit (150) supported by a front jaw a second connection unit (160) connecting the mandibular angle support unit (140) and the front jaw support unit (150) a mandibular angle upward traction elastic unit (210) upwardly pulling the mandibular angle support unit (140) a mandibular angle forward traction elastic unit (220) forwardly pulling the mandibular angle support unit (140) a mandibular angle rearward traction elastic unit (221) pulling the mandibular angle support unit (140) rearward and a front jaw upward traction elastic unit (230) upwardly pulling the front jaw support unit (150).COPYRIGHT KIPO 2017치아를 교정할 수 있도록 하는 것을 특징으로 한다.
