We are staying at Kings Joy hotel. Can we Take the shuttle bus of the Capital Airport?

You can take the shuttle bus line 7 to South End of Qianmen Street. Then walk westwards along the West Zhushikou Street for 450 yards, and then turn right to Meishi Street. Walk another 500 yards, you will see the hotel on your left side. If you travel with heavy luggage, you can take aa taxi to reach at a cost of CNY10.

When you go back to the airport, you should take a taxi to Ciqikou to catch the bus line 7.