The Paper xplores the law of prodrug principles in the new drug design to promote the development of the drug research.Through indexing the document,we can synthesis and analyze the standard examples of prodrug principles in the new drug design.Prodrug principles are widely used in the new drug design.It can be applied to modifying certain drug structures which contain such groups as Carbonyl,Hydroxy and Amino to synthesize new drugs.And it also can serve for Azotype,Manniss base type,Nitrogen monoxide ...