The invention concerns a method of creating an XML document on a web browser. The method according to the invention comprises the steps of: receiving data input from a web browser; duplicating a source XML document stored in advance, the source XML document including predefined structures and predetermined source data; replacing the source data included in the duplicated XML document by the received input data; and storing the XML document resulted in the above replacing step as a new XML document. According to the invention, an ordinary user can easily create XML documents in a given form, e.g., resumes, commercial agreement sheets, official documents, etc., using only current web browsers widely used, without a specified XML editor.