You can get to the front door by subway from Beijing Station, and you can get to the front door at 4 stops.
take subway line 2 at Qianmen Station and transfer to Fuxingmen Line 1, so that the Military Museum can transfer to Line 9 and arrive at the West Station.
You can go to Xianyukou (on Qianmen Pedestrian Street), where there are many Beijing specialty snacks, all of which are old brands.