The ink contains: an ink agent containing a polymer having a chromophore; and a binder resin. The ink preferably further contains water, an antiseptic agent, and/or a hydrotropic agent. The polymer is preferably in a particulate form. The textile printing method includes discharging droplets of the ink to attach the droplets onto a woven fabric and heating the woven fabric obtained after the discharging. The printed textile of the present invention is obtained by the aforementioned textile printing method. The ink agent for textile of the present invention contains a polymer having a chromophore.