  Considering a Kerr black hole surrounded by the homogenous unmagnetised
plasma medium, we study the strong gravitational lensing on the equatorial
plane of the Kerr black hole. We find that the presence of the uniform plasma
increases the photon-sphere radius $r_{ps}$, the coefficient $\bar{a},\bar{b}$,
the angular position of the relativistic images $\theta_{\infty}$, the
deflection angle $\alpha(\theta)$ and the angular separation $s$. However the
relative magnitudes $r_m$ decrease in presence of the uniform plasma medium. It
is also shown that the impact of the uniform plasma on the effect of strong
gravitational become smaller as the spin of the Kerr black increace in prograde
orbit($a>0$). Especially, for the extreme black hole(a=0.5), the effect of
strong gravitational lensing in homogenous plasma medium is the same as the
case in vacuum for the prograde orbit.
