Abstract: A multimedia device fixture for automobiles is installed at the back of an automobile seat, and the related components of the automobile seat and fixture of the invention include a headrest, two headrest rods, and a back rest. The fixture includes a carrying stand having two left and right parallel corresponding parts, each including a middle fixing section and a lower fixing section connected to the bottom of the middle fixing section; an upper fixing section disposed at the top of the two corresponding parts and capable of being moved and fixed transversally; a flexible fixing member, surrounded and mounted onto the middle fixing section and the flexible fixing member of the headrest rod of the automobile seat. When the flexible fixing member is mounted onto the middle fixing section sand the headrest, the upper and lower fixing sections press the headrest and the backrest tightly.