In this book, you will be able to know the unlimited roles of an inhabitant of microbial world in our daily lives. These all aspects in which microbes have made their ways to do unique jobs regarding important processes in nature as well as human well-being are because microbes have widespread occurrence. They can easily adapt to a variety of life supporting habitats to which they come across. Also, they constitute a vast diversity of genetic resources as well that can be explored to obtain additional potential benefits of microbes.Microbial utilization, in food, industries, energy renewal, medicine as well as environmental cleaning, has been a promising technique in human welfare. Despite these unique benefits of microorganisms that can be of great worth for human welfare, their proper utilization and avoidance of their misuse are one of the current issues of modern sciences. Besides these uses, some other fields are also around us where microbes can serve in different ways. Some of these miscellaneous uses of microbes are discussed in the below chapters.