In a spiral-shaped acidic-gas separation module which is obtained by winding a laminate including an acidic gas separation layer that includes a facilitated transport film, a permeating gas channel member which becomes a channel of acidic gas having permeated through the facilitated transport film is formed using a metal net having a wire diameter of 0.4 mm or less. In this manner, a spiral-shaped module for acidic-gas separation which prevents damage to the facilitated transport film and exhibits a predetermined performance for a long period of time is provided.