1. Take Metro Line 2: After getting out of Nanchang Station, walk to Nanchang Railway Station subway station, and then take Metro Line 2.

2. Specific stops: Take Line 2 and pass through 17 different stops, including South First Ring Road Station and Yanjiang South Station.

3. Transfer to Metro Line 4: transfer to Metro Line 4 at Nanchang West Station.

4. Arrive at Shuanggang Station: Take Line 4, pass through 12 Station, arrive at Shuanggang Station, get out of the subway station and walk to Shuanggang.

The above is the subway ride from Nanchang Station to Shuanggang, which takes about 1 hour and passes through 32 stations.