As of February 20 17, there is no direct train, so you can transfer to Guangzhou. You are not in the same train station when you transfer, so you can take the subway, as shown below.

Get off and take the subway to Guangzhou South Railway Station.

Bus route: Metro 1 Line → Metro Line 2, the whole journey is about 26.2km..

1. Take the subway 1 line from guangzhou east railway station and arrive in gongyuanqian station after 7 stops.

2. Take Metro Line 2, pass 12 station and arrive at Guangzhou South Railway Station.