connexion Beijin airport to South train station

First, there is airport shuttle bus run for this route. You can take shuttle bus directly. The bus runs around every 30min. The duration may around 1.5 hours, based on the traffic. Yyou can also take subway for this trip. First use Airport Express line to Dongzhimen and then change to line 2 to Xuanwumen and finally change to line 4 to South Railway Station. The duration is around 70min. Or you can take a taxi directly, taking around 1 hour