1. First, according to the Baidu map, Longquanyi District goes to Longquanyi subway station, and takes Metro Line 2 to get off at the subway station of China Medical University Hospital.

2. Secondly, transfer to Metro Line 4 at the Metro Station of China Medical University Hospital and get off at Fengxihe Metro Station.

3. Finally, walk 273 meters to the Vienna Hotel, which takes the shortest time and the least transfer. The whole journey takes one hour and 48 minutes.