Abstract: A titanium electrodeposition drum "a" n which a titanium plate 2 is positioned over an outer circumferetial surface 1a of an outer circumferential plate 1 of an inner drum b, with a circumferential copper system plate 3a such as a copper plate or a copper alloy plate, interposed between and intimately contacting the outer circumferential surface 1a of the outer circumferential plate 1 of the inner drum b and an inner circumferential surface 2a of the titanium plate 2.