This essay examines the principles of English criminal law, focusing specifically on the concept of 'burden of proof'. It analyzes landmark cases like *DPP v Woolmington* and *R v Edwards* to illustrate how this principle operates. The essay also discusses exceptions to the general rule, such as provocation and self-defense, highlighting relevant case law like *Mancini v DPP*. Finally, it concludes by summarizing the key takeaways regarding the burden of proof in English criminal law.