how can I go to xi dan if my hotel is in nan yuan_

Don't worry. Direct airport shuttle bus can take you to XD Aviation Building. The schedules are 11:15, 13:00, 14:15, 15:15, 16:00, 17:00, 18:00, 20:30, 22:00, 22:30, 22:50, 24:00. The time adjusted to the arrival of flights. And it takes around 1.5 hours on the way. The ticket fare is CNY 16 per adult. But it's free for passengers hold the valid air tickets of the day.