DX (Digital Transformation) is something we hear a lot about these days. I feel like I need to work on it, but I don't know where to start, But you don't know where to start, and in the end, you haven't started anything yet.... A journey of a thousand miles begins with a single step! In this document, we will introduce a concrete method to tackle paperless as the first step of DX. This document introduces the concrete method of starting from paperless as the first step of DX in an easy-to-understand step-by-step manner.