In the current work, we are devoted to the issue of uniform stability of fractional-order quaternion-valued neural networks involving discrete and leakage delays. Making use of the contracting mapping theory, we prove that the equilibrium point of the involved fractional-order quaternion-valued neural networks exists and is unique. Taking advantage of mathematical analysis strategy, a sufficient criterion involving delay to verify the global uniform stability for the considered fractional-order quaternionvalued neural networks is set up. Computer simulation figures are displayed to sustain the rationality of the established conclusions. *is study generalizes and supplements the research of Xiu et al. (2020).
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