How long does it take from Qinghe to Beijing Railway Station by subway?

What you want to ask is how long does it take from Beijing Qinghe Station to Beijing Station subway? About 50 minutes.

According to Baidu map, get on the bus from Qinghe Station, take the subway 13 line (Xizhimen direction) for 5 stops, and get off at Xizhimen Station. Walk 4 10 meters at the transfer station, get on at Xizhimen Station, take the outer ring of Metro Line 2, pass 9 stops, and get off at Beijing Station to reach the destination. The whole journey takes about 50 minutes.