A slider structure, provided with a first member 1 and a second member 2, in which a first insertion groove 31 inclined forward and upward, and a second insertion groove 32 inclined forward and downward, are formed by the first member 1 and the second member 2, and, an opening width dimension S1 of the first insertion groove 31 and an opening width dimension S2 of the second insertion groove 32 are reduced when the first member 1 and the second member 2 are relatively moved and mutually come close to conduct stopping in left-and-right direction W of a fastener male-female portion Fa in the first insertion groove 31 and another male-female portion Fb in the second insertion groove 32.