**Fructose bisphosphate aldolase** is a type of aldose that uses an alternative catalytic reaction mechanism to convert two molecules of fructose 6-phosphate to two molecules of D-glyceraldehyde 3-phosphate and the metabolic precursor fructose 1,6-bisphosphate. It acts in the biochemical pathway of one of the most complex multi-stage reactions, carbohydrate metabolism, and is the key enzyme of alloses, one of the most important organs that synthesize carbohydrates for most organisms of plants, fungi, algae and bacteria, including humans. A defect in its function often leads to serious metabolic disorders, necessitating in-depth analysis of medical molecular and genetic biology. Under normal conditions, this enzyme maintains normal blood glucose levels and allows various tissues to use glucose as an energy substrate.