The specific restrictions on the types of works in the essay competition may vary according to different organizations and competitions. However, generally speaking, the restrictions on the types of works in the essay competition were relatively loose, encouraging authors to create in a diverse and innovative way. Some essay competitions might have restrictions on specific types of topics such as literature, novels, poetry, etc. Other essay competitions may not have any special restrictions on the type of subject matter, but they may also require works to meet specific topics or requirements, such as protecting traditional culture, reflecting social reality, etc. There were also some essay competitions that set certain restrictions on the type and subject matter of the work to ensure the quality and value of the work. Therefore, it is recommended to read the rules and requirements of the competition carefully before participating in the essay competition to avoid breaking the rules and winning the prize.