How to and where exactly to take the fast speed train from Tianjin Airport to Beijing Airport?

When you arrive at Tianjin Airport, you could take a cab or the shuttle bus to get to Tianjin Railway Station quickly. Here, you could take a fast train to get to Beijing South Railway Station in 30 minutes.

Then, pleaes follow the directions to take the subway Line 4 from the railway station to Xidan stop. As soon as exit from the gate C, you will find a building where the shuttle bus Line 2 to Beijing Airport could be caught. Ps: on the 2F of this building is KFC, so you could recognize it immediately.