Does the subject want to ask "which subway should I take from Chengdu East Station to Jinjiang Campus of Huaxi Second Hospital"? Subway line 7.

1. First, start from Chengdu East Station, walk 20 meters to Chengdu East Station, take the inner ring of Metro Line 7, and get off at Sichuan Normal University Station (Exit A) after three stops.

2. Secondly, walk 170 meters from Sichuan Normal University Station (exit A) to Sichuan Normal University Station, take the subway direct line of Jinjiang Campus of West China Second Hospital, and get off at Jinjiang Campus Station of West China Second Hospital after 1 station.

3. Finally, walk 1 10 meters to the Jinjiang Campus of the Second West China Hospital.