Walk to Wangjiawan Station first, and then take bus No.305, No.202, 106 and No.905 from Wangjiawan and get off at Central South University. It takes about 10 minutes. (This is going to the old campus)
Go to Wangjiawan Station first, then take bus No.905 from Wangjiawan and get off at Fengshun Road Station.
It takes about 30 minutes in total. (This is for the new campus)