2. Take the airport bus to Xi 'an Bell Tower at the airport (there are five routes from the airport bus to Xi 'an downtown, and you chose to go to Xi 'an Bell Tower, 25 yuan/person). After getting off the bus, go west (opposite the bell tower) to the bus stop of Guangji Street, take bus No.7 (coin 1 yuan) and bus No.45 (coin 1 yuan) at Guangji Street, and get off at Nanguomenan South. More than 200 meters east is the Admissions Office of the Graduate School of Xi Jiaotong University. It takes more than 50 minutes from the airport to Xi 'an Bell Tower, and about 20 minutes from Guangji Street to Nanguomen. Baidu Maps