I am staying in Yong An Hotel. how do I go to Jinshanling? where do I find the transport? tq

Donald, your hotel is close to Zaoying Subway Station. You actually can walk along Zaoziying Road to reach the subway station. Then take subway line 14 and get off at Wangjing Station and change subway line 15 to Wangjing West Station. Finally, get out from Exit C and go to the bus station on the other side of the road.

If you arrive there before 08:00, you might have a chance to catch the tourist bus to the wall directly. If the number of tourists is less than 20 or you miss the tourist bus, then you should take Beijing - Luanping Bus and get off at Jinshanling Highway Rest Area. There you can take free shuttle bus to the wall.