The station has 4 levels underground. The concourse is on the B2 level. The platforms for Line 1 and Line 2 are both island platforms. The B3 level is for the platforms of Line 1 and the B4 level is for the platforms of Line 2.
A staircase connecting the platforms on B3 and B4 levels is for passengers transferring from Line 2 to Line 1. Passengers transferring from Line 1 to Line 2 have to go up to the concourse first.