Contemplating the enticing optoelectronic properties of steel halide perovskites (MHPs), their introduction to the sector of photocatalysis was solely a matter of time. Up to now, MHPs have been explored for the photocatalytic era of hydrogen, carbon dioxide discount, natural synthesis, and pollutant degradation functions. Of rising analysis curiosity and potential utilized significance are the at the moment rising developments of MHP-based Z-scheme heterostructures, which may probably allow environment friendly photocatalysis of extremely energy-demanding redox processes. On this Perspective, we focus on the benefits and limitations of MHPs in comparison with conventional semiconductor supplies for functions as photocatalysts and describe rising examples within the development of MHP-based Z-scheme techniques. We focus on the rules and materials properties which might be required for the event of such Z-scheme heterostructure photocatalysts and think about the continued challenges and alternatives on this rising area.