Psychological description was a literary technique that expressed the plot of a story by describing the thoughts, feelings, emotions, and other psychological processes of a character. Below was a psychological description: She sat by the window and looked at the scenery outside. Her heart throbbed. She felt as if she was bound by something, unable to concentrate, and she was a little flustered. She thought of what had happened recently and felt that she had fallen into a predicament that she could not extricate herself from. She tried to calm herself down, but her thoughts became more and more chaotic, and she fell into depression and despair. This passage described the protagonist's psychological feelings and expressed her predicament and inner struggle. The author used delicate language and vivid descriptions to let the readers feel the emotional changes of the protagonist and understand her inner world more deeply.