  We study the impact of intrinsic strange (IS) component of nucleon sea on the
global analysis of parton distribution functions (PDFs) considering a wide
range of experimental data. To this aim, we consider two scenarios on the basis
of BHPS model results for the IS distribution. In the first scenario, we apply
the results presented through the BHPS model and in the second scenario we use
its evolved distributions. For each scenarios, we present the limit of the IS
probability $ {\cal P}_5^{s\bar{s}} $ for the standard tolerance criteria $
\Delta\chi^2=1 $ and $ 18.112 $ at $ 1\sigma $ and $ 4\sigma $ levels. Our
results show that the experimental data can tolerate an IS component with a
greater probability $ {\cal P}_5^{s\bar{s}} $ if one employs the second
scenario. We obtain $ {\cal P}_5^{s\bar{s}}\approx 0.01 $ and $ {\cal
P}_5^{s\bar{s}}\approx 0.025 $ for $ \Delta\chi^2=1 $ and $18.112$,
respectively, at the $ 4\sigma $ level. We also calculate the ratio of
strange-to-light sea-quark densities $r_s$ in the proton both including and
excluding the IS component. Our results show that one can obtain a higher value
for the ratio $r_s$ if the IS component is included.
