  We analyze the B->KK decays with the soft-gluon corrections by using the QCD
light-cone sum rules (LCSR). Although QCD factorization approach calculates the
leading order factorization parts and the radiative corrections from hard-
gluon exchanges at $\alpha_{s}$ order, it is worthwhile to estimate the
nonfactorizable soft-gluon contributions from all the tree and penguin diagrams
systematically. Our results show that the soft-gluon effects always decrease
the branching ratios and give a few percentage corrections at most in the B->KK
decays.
