A composite elastic wiring device includes a shell, an operating assembly and a connecting terminal disposed in the shell. The shell is formed with a wire hole. The operating assembly includes an operating member, a first elastic sheet and at least one second elastic sheet. One end of the operating member has a first abutting portion and a second abutting portion, another end of the operating member is disposed with a triggering portion outside the shell. The first elastic sheet and the second elastic sheet are stacked. The first elastic sheet and the second elastic sheet have a first pressing end and a second pressing end, respectively. The first and second pressing ends blocking the wire hole in order. A wire in the wire hole is pressed by the first elastic sheet and the second elastic sheet.