The present invention provides a DVD mechanism system that is for adjusting an inclined state and mounted on a carrying mechanism of the DVD player and comprises: a spindle motor for loading and rotating a DVD; an optical read-write head for reading and writing the information of the DVD; two guiding rods for loading the optical read-write head; and at least two two-way adjustable positioning elements; wherein the two two-way adjustable positioning elements are to fasten the DVD mechanism on at least two positioning structures of the carrying mechanism in order to adjust the inclined state of the DVD mechanism.