Tongcheng Online is a Chinese-language local information portal that brings together directory-style listings and practical resources across everyday life, commerce, and community services. Visitors can switch cities and browse categories covering household help, moving, cleaning, appliance and home repairs, pet care, education, travel, dining, fitness, and accommodation. The site also presents business and professional services, including accounting, legal consultation, logistics, equipment rental, design, advertising, translation, and website support.

For shopping and marketplace browsing, its categories span daily necessities, electronics, clothing, home appliances, building and renovation materials, industrial goods, and second-hand items. Users can explore topics such as appliance maintenance, home improvement, local services, and business supplies, while weather-related sections provide forecasts and related information. The portal also links to a broad selection of popular websites and includes login and registration options, as well as a shop management area. Overall, Tongcheng Online serves as a broad navigation hub for finding local service categories, product listings, and useful online resources.