  In this article, we take the point of view that the charmed scalar meson
$D_{s0}(2317)$ be a tetraquark state and devote to calculate its mass within
the framework of the QCD sum rules approach in the heavy quark limit. The
numerical values for the mass of the $D_{s0}(2317)$ are consistent with the
experimental data, there must be some tetraquark component in the scalar meson
$D_{s0}(2317)$. Detailed discussions about the threshold parameter and Borel
parameter for the multiquark states are also presented.
