According to Baidu map, the distance from Zhengzhou East Station to Zhengzhou Aquarium is 2 1.7 km, and the two places can take subway 1 line to subway line 4, which takes about 1 hour for 2 minutes.

The subway route is: take the subway 1 line from Zhengzhou East Station (in the direction of Henan University of Technology), pass four stops, get off at the convention center station, transfer to subway line 4 (in the direction of Laoyachen), pass 14 station, get off at Zhangjiacun Station (C 1 exit), and walk14.