Aeromonas hydrophila is a Disease-causing agent, which exists everywhere on, land and water-based environments, water-carried bacteria. They have been collected from marine waters, rivers, lakes, swamps, materials that sink in liquids, chlorine water, water distribution systems, drinking water, and extra waters; vital food, such as processed foods, meat, fish, seafood, vegetables, etc. The main disease-causing factors connected with Aeromonas are surface polysaccharides, S-layers, iron-binding systems, exotoxins and outside of a cell enzyme, release of fluid systems, fimbriae and other nonfilamentous adhesins, swimming strength, and flagella. They are becoming famous as enteric germs of a serious public health concern as they receive some disease that is linked with human sicknesses, such as gastroenteritis, soft-tissue, muscle infections, dangerous blood infection, and skin sicknesses. Proper sanitary procedures are extremely important in the prevention of the spread of Aeromonas infections. Oral fluid electrolyte substitution is employed in the prevention of not having enough water, and broad-spectrum germ-killing drugs are used in extreme Aeromonas sudden beginnings of bad things like disease.