The invention discloses a liquid crystal display device baseboard, comprising a baseboard, a gate line, a gate electrode, a gate insulation layer, an active layer, a resistance contact layer, a source cathode, a drain electrode and a data line, wherein the data line and the gate line are crossed to define a pixel region, a passive layer is formed above the source and the drain electrodes and the data line, a contact hole is formed above the source cathode of the source and the drain electrodes, a black matrix layer is formed at the region outside the pixel region, a resin layer is formed on the passive layer of the pixel region and exposes the contact hole on the passive layer, an pixel electrode is formed on the resin layer and is connected with the source cathode of the source and the drain electrodes via the contact hole. The invention further discloses a production method of the liquid crystal display device baseboard, a liquid crystal display device and a production method thereof. The invention modifies the CF coating form and coating technique of the prior CF-on-TFT technique, to restrain the bad conduction of liquid crystal display devices, improve processing reliability and improve the display property of TFT baseboards.