  In this paper, the sharp threshold of scattering for the fractional nonlinear
Schr\"{o}dinger equation in the $L^2$-supercritical case is obtained, i.e., if
$1+\frac{4s}{N}<p<1+\frac{4s}{N-2s}$, and $$
M[u_{0}]^{\frac{s-s_c}{s_c}}E[u_{0}]<M[Q]^{\frac{s-s_c}{s_c}}E[Q], \
M[u_{0}]^{\frac{s-s_c}{s_c}}\| u_{0}\|^2_{\dot H^s}<M[Q]^{\frac{s-s_c}{s_c}}\|
Q\|^2_{\dot H^s}$$ then the solution $u(t)$ is globally well-posed and
scatters. This condition is sharp in the sense that if
$1+\frac{4s}{N}<p<1+\frac{4s}{N-2s}$ and $$
M[u_{0}]^{\frac{s-s_c}{s_c}}E[u_{0}]<M[Q]^{\frac{s-s_c}{s_c}}E[Q], \
M[u_{0}]^{\frac{s-s_c}{s_c}}\| u_{0}\|^2_{\dot H^s}>M[Q]^{\frac{s-s_c}{s_c}}\|
Q\|^2_{\dot H^s},$$ then the corresponding solution $u(t)$ blows up in finite
time, according to Boulenger, Himmelsbach, and Lenzmann's results in [2].
