Hello, you should get off at Beimen Tourist Bus Station for Qipanjing to Yinchuan. After getting off, take the bus from Helan to Yinchuan (1 yuan fare) and get off at Ginko intersection. Walk 300 meters west to the Civil Aviation Building and take a bus to the airport (15 yuan fare). Of course, if it's too much trouble, you can take a taxi directly to the Civil Aviation Building and take a bus. It takes about 20 minutes to get to the airport (this is a special detail.