The secondary characters in novels usually had the following characteristics: Secondary characters are usually people in the background or environment of the story who are not directly involved in the story but play an important role in the whole story. 2. Secondary characters usually have words such as ordinary, ordinary, and secondary to describe the role of the main character in contrast to the main character. The character, experience, and behavior of the secondary characters usually have a certain relationship with the protagonist or play an important role in some plot. 4. The characteristics, preferences, and behaviors of the secondary characters were usually set by the protagonist or the author, and had a certain relationship with the protagonist's personality, preferences, and behaviors. In the whole story, the secondary characters are usually the key characters who promote the development of the story. They have an important role and significance.