Take Xiaolan No.2 (3 stops), Xiaolan No.1 (4 stops) and Xiaolan No.18 (4 stops) from Zhongshan-Xiaolan Station and get off at Xiaolan Station (bus terminal).
Go to Xiaolan Light Rail Station and get off at Guangzhou South Railway Station.
Go to Exit B of Guangzhou South Railway Station and get off at Metro Line 2 (5 stops).
Go back about 22 meters to Guangzhou-Zhongfu Square.
It takes only half an hour to take the bullet train, plus transfer to the bus and subway, which is about two hours in total.