Human antitoxin albumin (HSA), theo- greatest plentiful amino acid inner plasma, is a monomeric multi-domain macromolecule, representing theo- chief determinant of whey oncotic pressure and theo- mainland modulator of changeable distribution in the middle of corpse compartments. HSA displays an extraordinary ligand binding capacity, providing a reservoir also flattop on behalf of numerous endogenous as a consequence exogenous compounds. Indeed, HSA represents theo- major aircraft carrier since oleaginous acids, affects pharmacokinetics of abundance drugs, provides the metabolic modification of a few ligands, renders ability toxins harmless, accounts for greatest of theo- anti-oxidant contents of human plasma, moreover displays (pseudo-)enzymatic properties. HSA is a important biomarker of the many diseases, along with cancer, rheumatoid arthritis, ischemia, post-menopausal obesity, earnest shrewd graft-versus-host disease, then diseases that poverty monitoring of the glycemic control. Moreover, HSA is vastly used clinically until treat some diseases, along with hypovolemia, shock, burns, surgical family, kinship loss, trauma, hemorrhage, cardiopulmonary bypass, acute respiratory desolate syndrome, hemodialysis, shrewd liver failure, persisting liver disease, nourishment support, resuscitation, then hypoalbuminemia. Recently, biotechnological applications of HSA, together with implantable biomaterials, surgical adhesives then sealants, biochromatography, ligand trapping, following this fusion proteins, obtain been reported. Here, genetic, biochemical, biomedical, as a consequence biotechnological aspects of HSA are reviewed.