  We study the branching ratio, CP-violating asymmetry, forward-backward
asymmetry and the CP-violating asymmetry in the forward-backward asymmetry for
the exclusive decay B--> K l^+ l^-$ in the two Higgs doublet model with tree
level flavor changing neutral currents (model III). We analyse the dependencies
of these quantities on the neutral Higgs boson contributions and the CP
parameter sin\theta in the model III. We observe that to determine the neutral
Higgs boson effects, the measurements of the forward-backward asymmetry and the
CP-violating asymmetry in the forward-backward asymmetry for the decay B--> K
l^+ l^- are promising.
