You could use a pen name because it was usually used to distinguish between the author and the work. Some pen names might have originated from others, while others were created because of personal preferences or other reasons. A pen name is usually made up of some letters or numbers. It can also use some symbols or pictures. In web novels, pen names were usually used to represent names, so when using a pen name, one had to make sure that the name was clear and easy to remember. Pen names are not the same name because they are usually used to distinguish between the author and the work. For example," tomato "," egg "," tomato egg soup ", etc. These pen names might be different in different works. Therefore, when using a pen name, one had to pay special attention to the unity and clarity of the name.