How to get to Aobei Hotel from Beijing Railway Station by bus?

Take Metro Line 2 → Metro Line 5 → No.569, the whole journey is about 1 hour,15.3km:

Walk from Beijing Railway Station120m to Beijing Railway Station, take Metro Line 2 (Outer Ring) Station 5, and get off at Lama Temple Station; Within the station 160m, transfer to the 5th station of Metro Line 5 (Tiantongyuan North) and get off at Datun Road East Station (B 1 Northeast Exit); Walk 70 meters to Datun Road East Station, and take No.569 (or No.484, No.617, No.751) and get off at Xindian Village Station. Walk 330 meters to Aobei Hotel.