This research article is about the contributions of the Maulvi Abdul Haq in the field of research and editing. No doubt he was a remarkable researcher, linguist, Lexicographer and editor in his age. He edited and published many ancient texts of old Urdu like Sub Rus, Qutub Mushtari , Mairajul Aashaqeen, Darya-e-Lataft. He also arranged valuable lexicon as well. This article reflects his great devotion to Urdu Literature.