Air guide piece for server and server

The utility model discloses an air guide piece for a server and the server. The air guide piece comprises a body part with an air guide face, part of the air guide face protrudes to form at least two reinforcing ribs, the at least two reinforcing ribs are sequentially arranged in the first arrangement direction, a gap exists between every two adjacent reinforcing ribs in the first arrangement direction to form an air guide channel, and the shape of the air guide channel on the air guide face comprises a curve or a curve. The shape of the air guide channel on the air guide face comprises a straight line inclined to the first arrangement direction. Therefore, the air guide piece is provided with at least two reinforcing ribs, an interval exists between every two adjacent reinforcing ribs in the first arrangement direction, so that an air guide channel is formed, when the server works, air can flow to the other sides of the reinforcing ribs from one sides of the reinforcing ribs through the air guide channels in the second arrangement direction, and therefore the air resistance of the reinforcing ribs can be reduced, and the service life of the server is prolonged. And the heat dissipation capability of the server is improved.