An electroluminescent display panel, a method for manufacturing the same, and a mask are provided. The method for manufacturing an electroluminescent display panel includes: forming, on at least one side of a predetermined light-emitting layer of the electroluminescent display panel, an electrode layer having a pattern corresponding to patterns of masks under shielding of the masks through an evaporation process, wherein the predetermined light-emitting layer is a film layer for forming a light-emitting layer of the electroluminescent display panel.