百问三八 is a Chinese online knowledge and question-and-answer website focused on everyday information and practical questions. It organizes content into sections such as encyclopedia knowledge, encyclopedia questions, and lifestyle guides, helping visitors explore topics through articles and question-based explanations. The site covers a broad range of subjects, including cooking, health, law, relationships, travel, and common “why” and “how to” queries.

Its pages feature answers and informational entries on topics ranging from daily life and games to culture, entertainment, education, and current events. Visitors can browse featured and popular questions, along with collections of general knowledge and lifestyle content. The site presents itself as a place to look for answers to everyday problems and to discover explanations for the many questions that arise in daily life.

Its central service is providing accessible, written information in an organized, searchable format for readers seeking quick guidance or background on a topic