A slider (1, 71) for a slide fastener including: a slider body (2, 72), in which front end portions of upper and lower blades (21, 22) are connected to each other by a connection post and a Y-shaped element guide lane is disposed between the upper and lower blades (21, 22); a tab whose one end portion is rotatably retained in the upper blade; and a locking pawl which is disposed in the upper blade and whose one end is provided with a claw portion, wherein the upper blade includes: a tab retaining portion which retains the tab; an insert groove into which the locking pawl is inserted; a temporary engagement portion (34, 74) which fixes an other end portion of the locking pawl; a claw hole which is penetrated so as to pass through the claw portion; and the locking pawl is disposed so that the claw portion can be inserted into and detached from the element guide lane through the claw hole by falling and erecting operations of the tab, characterised in that: wherein rising portions which rise from the upper surface of the upper blade and allow the tab to contact with the rising portions when the tab is fallen down to the side of the connection post are disposed between the temporary engagement portion (34, 74) and the tab retaining portion; wherein, in a state where the locking pawl is fixed, the temporary engagement portion (34, 74) is disposed so that a height position of an upper end (34a, 74a) of the temporary engagement portion (34, 74) is lower than that of an upper surface of the rising portions. a slider body (2, 72), in which front end portions of upper and lower blades (21, 22) are connected to each other by a connection post and a Y-shaped element guide lane is disposed between the upper and lower blades (21, 22); a tab whose one end portion is rotatably retained in the upper blade; and a locking pawl which is disposed in the upper blade and whose one end is provided with a claw portion, wherein the upper blade includes: a tab retaining portion which retains the tab; an insert groove into which the locking pawl is inserted; a temporary engagement portion (34, 74) which fixes an other end portion of the locking pawl; a claw hole which is penetrated so as to pass through the claw portion; and the locking pawl is disposed so that the claw portion can be inserted into and detached from the element guide lane through the claw hole by falling and erecting operations of the tab, characterised in that: a tab retaining portion which retains the tab; an insert groove into which the locking pawl is inserted; a temporary engagement portion (34, 74) which fixes an other end portion of the locking pawl; a claw hole which is penetrated so as to pass through the claw portion; and the locking pawl is disposed so that the claw portion can be inserted into and detached from the element guide lane through the claw hole by falling and erecting operations of the tab, characterised in that: wherein rising portions which rise from the upper surface of the upper blade and allow the tab to contact with the rising portions when the tab is fallen down to the side of the connection post are disposed between the temporary engagement portion (34, 74) and the tab retaining portion; wherein, in a state where the locking pawl is fixed, the temporary engagement portion (34, 74) is disposed so that a height position of an upper end (34a, 74a) of the temporary engagement portion (34, 74) is lower than that of an upper surface of the rising portions.