Even if you don't apply for a degree certificate, it is essential to get a diploma thesis smoothly! First of all, it should be clear that the self-taught thesis belongs to a course and is also a necessary pass when graduation. If you don't write a thesis, your thesis defense fails, which means you missed the course and can't graduate. Therefore, self-taught candidates need to write their graduation thesis even if they don't apply for undergraduate courses. Generally speaking, the requirements for applying for a bachelor's degree are: the score of defense should be good or above. Therefore, whether you want to apply for a bachelor's degree or not, you self-taught candidates need to write a graduation thesis and defend it when you graduate.