A fishing spinning reel comprising: a rotor that rotates by rotation operation of a handle rotatably supported by a reel main body; a spool that moves back and forth by the rotation operation of the handle; and a fishing line guide disposed on one of arm levers (7A, 7B) pivotably supported by a pair of arms provided on the rotor to guide a fishing line to the spool, wherein the fishing line guide includes a line roller that guides the fishing line picked up by a bail attached to the pair of arms to the spool, and a line slider that guides the fishing line from the bail to the line roller, the line slider includes an attachment part that the bail is integrally joined to or formed with, the line slider further includes a first depression adapted to accommodate at least a part of a head of a screw member when the screw member is attached, wherein the screw member is inserted from the bail side and the screw member is adapted to fasten the line slider to one of the arm levers (7A, 7B), the line slider further includes a second depression adapted to accommodate an end of the line roller and to cover an outer periphery of the end with a minute gap provided, and the line slider further includes a wall that is adapted to separate the first depression from the second depression, wherein the wall and the line slider are formed of a single member, wherein the first depression and the second depression are formed to communicate with each other through the wall, and the wall has an opening through which a shank of the screw member is inserted, and wherein the attachment part communicates with the first depression and the second depression, said fishing spinning reel being characterized in that the attachment part is formed into a hollow structure, the first depression and the attachment part having a hollow structure are separated by a plate-shaped part, and the wall is integrated with the plate-shaped part. a rotor that rotates by rotation operation of a handle rotatably supported by a reel main body; a spool that moves back and forth by the rotation operation of the handle; and a fishing line guide disposed on one of arm levers (7A, 7B) pivotably supported by a pair of arms provided on the rotor to guide a fishing line to the spool, wherein the fishing line guide includes a line roller that guides the fishing line picked up by a bail attached to the pair of arms to the spool, and a line slider that guides the fishing line from the bail to the line roller, the line slider includes an attachment part that the bail is integrally joined to or formed with, the line slider further includes a first depression adapted to accommodate at least a part of a head of a screw member when the screw member is attached, wherein the screw member is inserted from the bail side and the screw member is adapted to fasten the line slider to one of the arm levers (7A, 7B), the line slider further includes a second depression adapted to accommodate an end of the line roller and to cover an outer periphery of the end with a minute gap provided, and the line slider further includes a wall that is adapted to separate the first depression from the second depression, wherein the wall and the line slider are formed of a single member, wherein the first depression and the second depression are formed to communicate with each other through the wall, and the wall has an opening through which a shank of the screw member is inserted, and wherein the attachment part communicates with the first depression and the second depression, said fishing spinning reel being characterized in that the attachment part is formed into a hollow structure, the first depression and the attachment part having a hollow structure are separated by a plate-shaped part, and the wall is integrated with the plate-shaped part.