Ailieche is an online train information service focused on helping travelers explore rail journeys across China. Its website provides searchable timetables and route information for high-speed trains, bullet trains, and conventional services. Visitors can look up trains by number, check services between two stations, or browse information by station and region. Listings may include train numbers, stops, routes, and departure times, giving users practical details for planning a trip.

The site covers destinations across mainland China, including cities and provinces such as Beijing, Shanghai, Guangdong, Sichuan, and Heilongjiang, as well as Hong Kong, Taiwan, and Macau. It also highlights recently searched stations, trains, and station-to-station routes to make common queries easier to access. Ailieche presents its service as a convenient way to find rail information and organize travel plans. The website notes that its timetable data is provided for reference only and advises travelers to rely on China Railway 12306 for final, authoritative train information.