Small reporters usually refer to a group of younger volunteers recruited by newspapers or news organizations. By participating in interviews and writing activities, they learn about news and society and improve their writing and expression skills.
"Selected Composition of Small Reporters in Jinhua Evening News" means that Jinhua Evening News selects outstanding works from the works submitted by small reporters, encourages and commends their creative achievements through publication, and also provides a platform for young readers to show their talents and imagination.