Take the subway 1 line. According to Baidu map, you can take the subway 1 line from hangzhou east railway station to Ding 'an Road subway station, which is 9.3km long and takes 20 minutes by subway. The specific route is as follows:

1. Walk 200 meters from Hangzhou East Railway Station and arrive at the East Railway Station.

2. Secondly, take the subway 1 line, pass 7 stops and arrive at Ding 'an Road.

3. Finally, walk 60 meters to Ding 'an Road subway station.