Bochra Belhaj Hmida has a Law graduate degree. In 1989, she co-created the Democrat Tunisian Women Association (Association tunisienne des femmes démocrates – ATFD) and is the president of the organisation from 1994 to 1998. She joins the Democratic forum for work and freedoms (Forum démocratique pour le travail et les libertés) in 2011. She then run for the constituent assembly election as the leader of the Zaghouan constituency list, but she is not elected.
She is, since September 2012, member of the executive committee of the movement Nidaa Tounes. She got elected at the People Representative Assembly as a representative of the second constituency of Tunis, during the legislative elections of October 2014. She continues, in this electoral term, to call for an evolution of women rights in Tunisia.
Bochra Belhaj Hmida is also president of the Individual Freedom and Equality Commission (Commission des libertés individuelles et de l'égalité – Colibe) initiated by the Tunisian president Béji Caïd Essebsi on 13 August 2017. It aims to build a report concerning legislative reforms for individual freedom and equality, as required by the 2014 Constitution and by human rights international norms. As a president of this commission, Bochra Belhaj Hmida leads a reform proposal of legacy between men and women, which generates an intense polemic in Tunisia. Its discussion is programmed for 2019.
