  As an intriguing topological defect, global monopole's influence on behaviors
of black holes has always been anticipated but still remains less clear.
Analyzing the thermodynamics of charged AdS black hole incorporating a global
monopole manifests that the black hole undergoes a first-order phase transition
at critical point, and of special interest, the critical behaviors
qualitatively resemble a Van der Waals liquid-gas system. This paper
concentrates on further investigating the charged AdS black hole with a global
monopole, aiming at clarifying the significant effects of the global monopole
on criticality and microstructure of charged AdS black holes. An interesting
dependence on the internal global monopole can be witnessed intuitively by
employing contrastive illustrations.
