Abstract: A ceiling LCD mounting structure includes a mounting base fixedly fastened to the ceiling of a car, the mounting base defining a bottom receiving chamber, a pivot shaft coupled between two clamping plates in a top side of the mounting base and held down by at least one holding down plate and adapted to be rotated relative to the clamping plates, and a LCD holder frame holding a LCD (liquid crystal display), the LCD holder frame having mounting flange inserted through an opening in the mounting base and fastened to the pivot shaft for enabling the LCD holder frame to be turned in and out of a bottom receiving chamber of the mounting base and positioned in one of a series of angular positions.