MianyangLibrary is a national first-class library and a hub for literature distribution in Mianyang. It serves as a science and technology information consulting point, a city-level center for the National Cultural Information Resource Sharing Project, one of the first digital library pilot units of the Ministry of Culture, an advanced unit in the national "Nationwide Book Reading" campaign, and a national excellent social science popularization base.

Currently, Mianyanglibrary has a floor area of 10,000 square meters and offers multiple services such as book lending, newspaper and magazine reading, electronic reading, and reference consultation, all free of charge. The library is undergoing upgrades to its reading spaces and has implemented a Sichuan-Chongqing reading pass, allowing users to access, read, and borrow books from public libraries within the Chengdu-Chongqing economic zone. The library actively conducts various activities like mobile book lending, science popularization, public lectures, training, photo exhibitions, and reading promotions. It has formed cultural brands like "Famous Lectures at Fojiang Forum" and "Mianyang Reading Club." The library has established 127 grassroots service points, including service branches, Xinyue spaces, and self-service lending machines, as well as two automated self-service libraries.

MianyangLibrary currently holds 610,000 volumes (items) of paper documents, including over 1,500 volumes of Braille books, 3,155 volumes of ancient documents (including 357 valuable documents left by Sun Tongsheng, a famous Redologist of the late Qing Dynasty), nearly 20,000 volumes of special collections, and subscribes to over 700 types of newspapers and journals annually. It also possesses 540,000 volumes (items) of electronic documents, with external electronic resources totaling 501 TB, including various databases, e-books, and audio-video resources within 16 categories.