Subway.
According to the Baidu map query: 1. Walk 98 meters from Guangzhou South Railway Station to the Guangzhou South Railway Station subway station.
2. Take Line 2 in the direction of Jiahewanggang and take 8 stops to Changgang Subway Station.
3. Transfer to Line 8 at the same station at Changgang Station, direction Jiaoxin, and take 8 stops to Rainbow Bridge Subway Station.
4. Exit from Exit A of Rainbow Bridge Subway Station and walk 286 meters to Xihua Road Snack Street.