In the " Chen Qing Ling," Meng Ziyi's character Wen Qing went offline, which caused a lot of dissatisfaction and criticism from readers. As an excellent supporting role, we should improve our acting skills from the following aspects: 1. Create a distinct personality: The supporting role should have its own distinct personality to leave a deep impression on the audience. Although Wen Qing played by Meng Ziyi was an important character, her personality was not outstanding enough, resulting in her lack of presence in the development of the plot. 2. Mastering emotional changes: An excellent supporting character should be able to accurately grasp emotional changes and show different emotions in different situations. In the scene where Meng Ziyi played Wen Qing offline, her performance was too pitiful, making the audience feel that she was deliberately lacking in realism and naturalness. A good supporting character should be able to reasonably grasp the role setting and play an important role in the plot. However, in the scene where Meng Ziyi played Wen Qing offline, her behavior and performance did not match the character's setting, causing the audience to have a bad impression of her character. In order to become an excellent supporting role, we should constantly improve our acting skills, better understand the role, grasp the plot, shape distinctive personality characteristics, grasp emotional changes and reasonably grasp the role setting. Only in this way can we add color to the development of the plot.