Take Guyang Line via 17 Station to Gulou Station, walk about 150 meters to Gulou Station of subway station, take subway 1 Line to 2 yuan of Andemen Station, and take 2.5 yuan of Anyang Copper Line. It should take about 3 hours. In addition, copper wire is crowded. You can also take the subway 1 line to Zhonghuamen Station, and go out from the exit of the long-distance station to buy an early ticket to Southeast University. Bus is more comfortable, but 8 yuan is more expensive. You can also get on the bus from outside the station, which is cheaper, but it's a long way and hard to find.