You can take bus No.55 to Hongshan Qiaotou and get off at the south gate of bus No.77. Go straight for 200 meters and turn right, which is the First Affiliated Hospital of Medical University.

55 Dufu New District Student Apartment-North Gate of Dufu New District-Hello Station-Shang Jie Roundabout-Tang Hong Qiaotou (West)-Jinshan Temple-Shenfeng Technology-Hongshan Qiaotou

77 Hongshan Qiaotou-Hongshan Bridge-Xihe-Tianjun Community-Dafu North Gate-Chayuanshan-Qiao Liu-Yang Nan Intersection-Gaofeng Bridge-Real Estate Market-Shuangpai Bridge-South Street-Daoshan Intersection-South Gate

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You can take the No.96 bus to the East Gate, then walk to the North Gate, and take the No.77 bus.