Erligou station did not enter into operation along with Line 6 Phase I on December 30, 2012. Both Line 6 and Line 16 platforms opened on March 18, 2023. The platform for Line 16 is above the Line 6 platform.

The station is located at the intersection of the north-south Sanlihe Road with the east-west thoroughfare known as Chegongzhuang West Road (车公庄西路) to the west of Sanlihe Road and Chegongzhuang Street (车公庄大街) to the east.

Both the line 6 and line 16 stations have underground side platforms. There are 5 exits, lettered A1, A2, B, C and D. Exits A1 and A2 are accessible via elevators.

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  Line 6 westbound platform
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  Line 16 northbound platform
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  Line 6 platform overpass
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  Line 6 North interchange concourse
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  Line 6 South interchange concourse
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  Line 6 South interchange concourse (2)
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  Exit A plug-in concourse, notice the bifurcation point between the Exit A1 and A2 plug-in halls shows that the two plug-in halls are not completely flatlined
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  Exit A1 plug-in concourse
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  Exit A2 plug-in concourse
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  Exit B plug-in concourse
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  Exit C plug-in concourse
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  Exit D plug-in concourse
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  Lift 2 at Line 16 northbound platform

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  Reserved platform structure in the westbound tunnel of Line 6 (September 2021)
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  Reserved platform structure of Line 6 where site lighting strips have been installed (December 2021)
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  The installation of screen doors has started at the reserved platform structure in the eastbound tunnel of Line 6, and the previously installed site lighting strips are still visible (June 2022)
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  Reserved platform structure in the Line 6 eastbound tunnel, screen doors installed (September 2022)