1. Take Metro Line 9. You can go to any station on Metro Line 9, and then buy a ticket to enter the station.
2. Take Line 9 to Fengtai South Road Station. This is a trip of about 5 stops.
3. Walk about 360 meters to the South Campus of Beijing Fengtai Hospital. From the subway entrance, you need to walk some distance to get to the hospital.
The above is the easiest way to take a bus, and I hope it will help you reach your destination smoothly. If you need more detailed route or time information, it is recommended that you consult the latest public transport information or consult relevant institutions.