Immunometabolism refers to the modifications in immune cells' internal metabolic pathways that occur when they are activated. In recent years, a slew of discoveries has been made in the field of immunometabolism, which refers to changes in immune cells' internal metabolic pathways that modify their activity. Immunometabolism opens up new avenues for drug development in immune-related disorders. The ability to change the actions of macrophages in situ requires interconnection between certain metabolic components and immunological signalling pathways. Immunometabolism has emerged as a key regulator of both adaptive and innate immunity. It was evident from the beginning that metabolism and the immune system are intimately intertwined. Inflammatory cytokines were generated in obese adipose tissue, and these cytokines led to metabolic illness. Immunometabolism is a rapidly developing field of research, with a second research wave arising from cancer metabolism studies to explore the intrinsic metabolic pathways of immune cells themselves and how those pathways influence cell destiny and function. The field is driven by a few core ideas and goals.