The present invention relates to a maxillary teeth orthodontic device capable of correcting upper jaw molars and anterior teeth by moving the upper jaw molars and the anterior teeth in forward and backward directions. The maxillary teeth orthodontic device comprises: a body attached to the bottom surface of the gums of the upper jaw； a connection leg of which one end is connected and extended from the body； a molar fixing part connected to the other end of the connection leg and fitted into a molar； and a ring part connected to one side of the lower surface of the body, wherein the body is divided into a first body and a second body such that gaps are adjusted by allowing the first body and the second body to be spaced from each other or approach each other in the incisor direction and the airway direction of the upper jaw.
