  The existence of dark matter has been established in astrophysics. However,
there is no candidate for DM in the Stand Model (SM). In SM, the Higgs boson
can only decay invisibly via $H\rightarrow ZZ^\ast \rightarrow
\nu\bar{\nu}\nu\bar{\nu}$ or DM, so any evidence of invisible Higgs decay that
exceeds BR (H$\rightarrow$inv.) will immediately point to a phenomenon that is
beyond the standard model (BSM). In this paper, we report on the upper limit of
BR (H$\rightarrow$invisible) estimated for three channels, including two
leptonic channels and one hadronic channel, under the assumption predicted by
SM. With the SM ZH production rate, the upper limit of BR (H$\rightarrow$inv.)
could reach 0.24\% at the 95\% confidence level.
