In 1990, she studied genetics at the Faculty of Biology at Sofia University, where she obtained a master's degree nine years later.

[1] She then graduated from the School of Law at the National University of Mongolia in 2001.

[1] Erdenechimeg served as a Member of State Great Khural from 2012 to 2016.

As a member of the State Great Khural, she headed the women's caucus.

She was elected when there was a 30% requirement for women to be members of parliament.