  We present the production of light (anti)nuclei, (anti)hypertriton and
di-Lambda based on coalescence model in central Au+Au collisions at
$\sqrt{s_{NN}}=200GeV$. The invariant yields of \He(\Hebar),
\hypert(\hypertbar), \Hee(\Heebar) obtained is found to be consistent with the
STAR measurements. The $p_{T}$ integrated yields for di-Lambda
$dN_{\Lambda\Lambda}/dy \sim 2.23\times10^{-5}$, and is not strongly dependent
on the parameter employed for coalescence process. Relative particle ratios of
light anti(nuclei) and (anti)hypertriton are explored, and agree with
experimental data and thermal model predictions quite well. An exponential
reducion behavior is presented for the differential invariant yields with
increased baryon number. The production rate reduces by a factor of 1692 (1285)
for each additional antinucleon (nucleon) added to antinuclei (nuclei), and the
production rate of \Libar is predicted to be $10^{-16}$ which is consistent
with STAR result.
