BPMN Tutorial: Business Process Notation and Creation Methods As a globally recognized process modeling standard, BPMN has become the "lingua franca" for business analysts, product managers, and IT teams thanks to its intuitive symbology and rigorous logical expression. This article will guide you through the fundamentals of BPMN, from the classification and usage of basic symbols to practical flowchart drawing techniques, common pitfalls, and optimization suggestions. Combining case studies with practical tool implementations, this article will help you quickly master BPMN and produce professional-level business process diagrams.