A 10,000-word youth pain novel could be submitted to the following types of websites: 1. Youth Pain Literature websites: such as "Tangyuan Tangyuan","Reader Literature", etc. These websites had a high acceptance rate for youth pain novels and had a large readership. 2. Romance websites such as Romance, Yuewen Group, etc. These websites mainly focused on romance novels and had a high acceptance of youth pain novels. 3. Fantasy websites such as Qidian Chinese Network, Zongheng Chinese Network, etc. These websites mainly focused on fantasy, martial arts, science fiction, and other types of novels. Their acceptance of youth pain novels was relatively low. 4. Prose websites, such as "Prose Network" and "Reader Prose Network". These websites were mainly composed of prose, poetry, and other types of articles. They also had a high acceptance of youth pain novels. When choosing a submission website, it is recommended to choose based on the type of novel, plot, style, and other factors to ensure that the content of the novel meets the standards and requirements of the website. At the same time, you can also consider submitting to multiple websites to increase the chances of being adopted.