Mask structure of liquid crystal display and display device

The utility model relates to the technical field of mask structures, in particular to a liquid crystal display mask structure which comprises a thin film transistor (TFT) substrate, a color filter, a main PS column and an auxiliary PS column. The main PS column and the auxiliary PS column are both arranged on the color filter and attached to the TFT substrate together with the color filter. The main PS column and the auxiliary PS column are supported between the color filter and the TFT substrate; the main PS column and the auxiliary PS column are the same in height; the TFT substrate, the color filter, the main PS column and the auxiliary PS column are combined to form a display module; according to the utility model, the main PS column and the auxiliary PS column of a common mask stand at positions with different pixel film thicknesses and heights, the main PS column and the auxiliary PS column have the same height, and the stress condition of the main PS column and the auxiliary PS column is equal to that