After entering the gate of Xixi Campus, turn right (eastward), walk eastward along the road between Dongyi Teaching Building and Donger Teaching Building, pass the south of the affordable housing area for employees, and continue to walk eastward until there is a three-story building in the southeast corner of the affordable housing area for employees, which is the teaching building in the east. Also, enter from the east gate of Xixi Campus, walk to the left as soon as you enter the door, cross the east side of the affordable housing area for faculty and staff, and you can also reach the teaching building in the east.