  We investigate the motion of massive charged and spinning test particles
around a charged dyonic black hole spacetime surrounded by perfect fluid scalar
dark matter field. We obtain the equations of motion and find the expressions
for the four-velocity for the case of a charged particle, and four-momentum
components for the case of a spinning particle. The trajectories for various
values of electric $Q_{e}$ and magnetic $Q_{m}$ charges are investigated under
the influence of dark matter field $\lambda$. We find the equations of motion
of a spinning particle that follows a non-geodesic trajectory via Lagrangian
approach in addition to the charged and non-spinning particles that follow
geodesic motion in this set-up. We study in detail the properties of innermost
stable circular orbits (ISCOs) in the equatorial plane. The study of ISCOs of a
spinning massive particle is done by using the pole-dipole approximation. We
show that, in addition to the particle's spin, the dark matter field parameter
$\lambda$ and black hole charges ($Q_{m}\;\text{and}\;Q_{e}$) have a
significant influence on the ISCOs of spinning particles. It is observed that
if the spin is parallel to the total angular momentum $J$ (i.e.
$\mathcal{S}>0$), the ISCO parameters (i.e.$r_{ISCO}, L_{ISCO}\;\text{and}\;
E_{ISCO}$) of a spinning particle are smaller than those of a non-spinning
particle, whereas if the spin is anti-parallel to total angular momentum $J$
(i.e. $\mathcal{S}<0$), the value of the ISCO parameters is greater than that
of the non-spinning particle. We also show that for the corresponding values of
spin parameter S, the behaviour of Keplerian angular frequency of ISCO
$\Omega_{ISCO}$ is opposite to that of $r_{ISCO}, L_{ISCO}\; \text{and}\;
E_{ISCO}$.
