You can write questions that interest you. After you decide on the topic, you can ask your thesis advisor if this topic can be written. If you can, make an outline and write according to it.

After writing the draft, it is generally necessary to revise it for the thesis instructor, and then write two drafts and three drafts according to the teacher's revision until it is finalized. This meeting involves the format problem, as long as it is done according to the regulations of the school.