The work area needs to be filled in according to the specific situation. According to relevant information, academic papers can fill in their own subject areas, such as physics, psychology, engineering and so on. If it is a literary work, you can fill in the literary field, such as novels, poems, essays, etc. If it is a work of art, you can fill in your own artistic field, such as music, painting, dance, etc. If you are not sure about your field, you can analyze the content, form and use of the work and find the most suitable field to fill in.