1. Take the subway line 16 from Nanhui Bus Station, and arrive at Longyang Road Station after 8 stops.
2. Transfer to Metro Line 2 at Longyang Road Station and arrive at Nanjing East Road Station after 9 stops.
3. Transfer to subway 10 line at Nanjing East Road Station, and arrive at Yuyuan Station after 2 stops.
4. Transfer to the subway 13 line at Yuyuan Station, and arrive at Expo Avenue Station after 9 stops.
5. Transfer to Metro Line 7 at Expo Avenue Station, and arrive at Dongan Road Station after 7 stops.
6. Transfer to Metro Line 4 at Dong 'an Road Station and arrive at Renji Hospital Station after 2 stops.
You can choose the appropriate route to transfer according to your specific location and travel needs.