According to Baidu map query, the way to take the subway from Nanjing South Railway Station to Gulou Hospital is as follows:

1. Take the subway 1 line: Nanjing South Station-walk 10 meters-get on at Nanjing South Station-subway 1 line (in the direction of Maigao Bridge), stop 10- get off at Gulou Station (1 exit)-

2. Metro Line 3-Metro Line 4: Nanjing South Railway Station-Walk 10m-Get on at Nanjing South Railway Station-Metro Line 3 (direction of forest farm) 1 0 Station-Get off at Jimingsi Station-Transfer and walk in the station160m-Get on at Jimingsi Station-Metro Line 4 (direction of Longjiang)/.