A method and system for publishing specified content on a webpage. Specifically, an example method for publishing specified content at a specified location of a webpage includes the steps of performing sentiment analysis upon context surrounding a specified location where the specified content is to be published to determine a sentiment tendency of the context surrounding the specified location and selecting whether or not to publish the specified content at the specified location according to the sentiment tendency of the context surrounding the specified location. Embodiments of the invention help to make the webpage content more coherent, make the contents of a webpage matching in sentiment and rational in layout, improve a viewer's feeling of the webpage content, and increase website click rate and revenue. Embodiments help achieve a beneficial effect of providing a web electronic ad matching the sentiment of a webpage.