1. Map application: download the map application on the mobile phone, enter the destination and departure place, and inquire about the subway lines and modes.
2. Subway official website: Landing in official website, the subway in your city, will provide you with detailed subway route maps and boarding guides, and you can inquire about subway lines, stations, timetables and other information.
3. Subway hotline: Call the subway hotline in your city and ask for information about the subway and the way to take it.