The present disclosure provides a color filter substrate and a method for manufacturing the same, and a display device, and the color filter substrate includes a base substrate, a black matrix and a color filter layer located on the base substrate, a quantum dot layer located on a side of the color filter layer away from the base substrate, a barrier layer located on a side of the black matrix away from the base substrate, and a first inorganic layer, and the first inorganic layer at least includes: a first portion located between the color filter layer and the quantum dot layer; a second portion located on the base substrate and between the quantum dot layer and the barrier layer; and a third portion located on a side of the barrier layer away from the base substrate.