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The post Newtonian parameter is considered in the Chameleon-Brans-Dickeframe. In the first step, the general form of this parameter and also effectivegravitational constant is obtained. An arbitrary function for $f(\Phi)$, whichindicates the coupling between matter and scalar field, is introduced toinvestigate validity of solar system constraint. It is shown thatChameleon-Brans-Dicke model can satisfy the solar system constraint and givesus an $\omega$ parameter of order $10^4$, which is in comparable to theconstraint which has been indicated in {\cite{17-a}}.

$\gamma$ Parameter and Solar System constraint in Chameleon Brans Dick Theory