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The weak cosmic censorship conjecture states that the black hole singularityis hidden inside the event horizon of the black hole, making it impossible foran external observer to measure. In this study, we investigate the weak cosmiccensorship conjecture test of dark matter halo-black hole systems in both thecold dark matter model and ultralight dark matter model scenarios, with the aimof gaining insights into the influence of dark matter particles on the weakcosmic censorship conjecture. By examining the particle incident on anextremely or nearly extremal dark matter- black hole, as well as the scatteringof a scalar field by an extreme or near-extreme dark matter- black hole. Wefind that the weak cosmic censorship conjecture does not violate the extremeand near-extreme dark matter-black hole systems for incident particles. When ascalar field is incident on an extreme dark matter-black hole system, the weakcosmic censorship conjecture can be violated by a scalar field pattern thatsatisfies$\dfrac{1}{2M\omega_{0}}<\dfrac{\omega}{m}<\dfrac{M\omega_{0}}{2M^{2}\omega_{0}^{2}+k_{i}}$($k_{i}<0$; where $k_{1}$ corresponds to the cold dark matter model and $k_{2}$corresponds to the ultralight dark matter model). The weak cosmic censorshipconjecture remains unviolated in the presence of a scalar field incident upon anearly extreme dark matter-black hole system. This research will contribute tofurthering our comprehension of the intricate interplay between dark matter andblack holes.

Test the weak cosmic censorship conjecture via cold dark matter-black hole and ultralight dark matter-black hole