问问二七 is an online Chinese knowledge and lifestyle information website offering accessible answers to everyday questions. Its content spans general knowledge, question-and-answer articles, and practical lifestyle topics, with coverage that includes food and health, history and culture, and natural science. The site presents both short facts and more detailed explanations, aiming to make useful or lesser-known information enjoyable to explore.

Visitors can browse articles on subjects such as household tips, parenting, technology, entertainment, education, travel, and popular culture. The site also publishes practical guides and how-to content, including craft tutorials, cooking advice, and troubleshooting tips for devices and software. Its “ten thousand whys” style of daily questions is designed to help readers discover something new and build their everyday knowledge and conversation topics. Content is organized into sections such as Encyclopedia Knowledge, Encyclopedia Q&A, and Lifestyle Encyclopedia, with featured and popular articles to help users find topics of interest. 问问二七 serves readers seeking quick explanations, useful information, and entertaining general knowledge in one place.