Oral function corrector

The invention discloses an oral function corrector. The corrector comprises: a main frame, wherein the main frame comprises a left adjusting threaded rod and a right adjusting threaded rod, an arc-shaped rod is integrally formed at the lower end of each adjusting threaded rod, inclined rods are integrally formed at the lower ends of arc-shaped rods, and a jaw supporting plate is integrally formedbetween the bottoms of the left inclined rod and the right inclined rod through a connecting rod; a head band structure, wherein the head bank structure comprises an arc-shaped plate, two through holes allowing the adjusting threaded rods to penetrate through are formed in the middle of the arc-shaped plate, fastening threaded rods located above the arc-shaped plate are sleeved with nuts, arc-shaped pieces are integrally formed at the two ends of the arc-shaped plate, rectangular pieces are integrally formed at the two ends of each arc-shaped piece, and the left rectangular piece and the rightrectangular piece are fas