The whole journey takes about 69 minutes /23km/ 14 stops/transfer twice.
Walk from Guangdong University of Technology Town Campus to Exit B of Nancheng Subway in Higher Education Park, and take Metro Line 4 (take 4 stops).
Take the bus at Punan Station and transfer to Metro Line 5 (take 7 stops).
Transfer to the subway station Yangji, take the subway line 1 (take three stops) and get off at G 1 in guangzhou east railway station.
Walk about 20 meters to guangzhou east railway station.
It's too late-the first bus of Metro Line 4 is at 6: 18, south of University.