According to Zhongguancun Online, WPS document slimming refers to reducing file size and improving transmission speed and storage efficiency by optimizing and compressing document content. Specific operation methods include deleting duplicate content, merging paragraphs, selecting appropriate fonts and sizes, etc. In addition, you can also use online document editing tools or third-party software for automatic slimming to achieve better results. Please note that in the process of slimming, it is necessary to ensure the integrity and readability of the original document content to avoid any impact on the format and layout.