Abstract: Food adulteration is a major harmful cause in both the developed and less-developed countries. “Adulterant” means any substance which could be compelled the food unsafe for containing extraneous matter. This review has shown that the use of Melamine, Calcium Carbide, argemone oil, Synthetic food colors, artificial sweeteners, and Formalin in foods (fruits, fishes, and vegetables, etc.) turns into silent toxic that is damages our health and reasons numerous serious illnesses. Also, this review has shown that the fishers and the dried fish stocker in Bangladesh have using DDT as a required conserver of dried fish without regarding health danger matters.