A flow channel member (4, 204, 304) comprising: a plurality of discharge elements that discharge liquid; a plurality of first discrete flow channels, each allocated for each one of the discharge elements; a plurality of second discrete flow channels, each allocated for each one of the discharge elements; a first common flow channel (20, 220, 320) extending from one side (D1a) to another side (D1b) in a first direction and connected commonly to the plurality of first discrete flow channels; a first opening (20a, 220a, 320a) that connects the first common flow channel (20, 220, 320) and an outside; wherein the first opening (20a, 220a, 320a) is located on the one side (D1a) of the first common flow channel (20, 220, 320) in the first direction,, characterized by comprising a second common flow channel (24, 224, 324) extending from the one side (D1a) to the other side (D1b) in the first direction and connected commonly to the plurality of second discrete flow channels; and a second opening (24a, 224a, 324a) that connects the second common flow channel (24, 224, 324) and the outside, wherein the second opening (24a, 224a, 324a) is located on the one side (D1a) of the second common flow channel (24, 224, 324) in the first direction, the flow channel member further comprises a plurality of the first common flow channels (20, 220, 320), each including the first opening (20a, 220a, 320a), and a plurality of the second common flow channels (24, 224, 324), each including the second opening (24a, 224a, 324a), and wherein the first openings (20a, 220a, 320a) and the second openings (24a, 224a, 324a) are alternately disposed in a second direction crossing the first direction. a plurality of discharge elements that discharge liquid; a plurality of first discrete flow channels, each allocated for each one of the discharge elements; a plurality of second discrete flow channels, each allocated for each one of the discharge elements; a first common flow channel (20, 220, 320) extending from one side (D1a) to another side (D1b) in a first direction and connected commonly to the plurality of first discrete flow channels; a first opening (20a, 220a, 320a) that connects the first common flow channel (20, 220, 320) and an outside; wherein the first opening (20a, 220a, 320a) is located on the one side (D1a) of the first common flow channel (20, 220, 320) in the first direction,, characterized by comprising a second common flow channel (24, 224, 324) extending from the one side (D1a) to the other side (D1b) in the first direction and connected commonly to the plurality of second discrete flow channels; and a second opening (24a, 224a, 324a) that connects the second common flow channel (24, 224, 324) and the outside, wherein the second opening (24a, 224a, 324a) is located on the one side (D1a) of the second common flow channel (24, 224, 324) in the first direction, the flow channel member further comprises a plurality of the first common flow channels (20, 220, 320), each including the first opening (20a, 220a, 320a), and a plurality of the second common flow channels (24, 224, 324), each including the second opening (24a, 224a, 324a), and wherein the first openings (20a, 220a, 320a) and the second openings (24a, 224a, 324a) are alternately disposed in a second direction crossing the first direction.