Line S7 of the Nanjing Metro (Chinese: 南京地铁S7号线; pinyin: Nánjīng Dìtiě S-Qī Hào Xiàn) is a north–south suburban rapid transit line primarily serving Nanjing's Lishui District, running from Konggangxinchengjiangning to Wuxiangshan, and was opened on 26 May 2018.

[4] The line is served by 4 car Class B trains with a maximum speed of 100 km/h (62 mph).

The line is designed to allow for 6 cars trains to accommodate long term growth.

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