The utility model discloses an integrated template of a subway station side wall, which relates to the subway station side wall. The integrated template comprises multiple small-sized templates, wherein the back part of each small-sized template is provided with I-shaped steels, the multiple small-sized templates are spliced into a whole through the I-shaped steels, and corner parts of adjacent small-sized templates are welded and fixed. According to the integrated template disclosed by the utility model, the time for assembling and disassembling the templates can be reduced, and the construction efficiency is high; the flatness and the perpendicularity of a wall body can be ensured, and the construction quality of the subway station side wall can be increased; the repeated utilization rate is high.