Miryang Museum features cultural items and materials of the Nakdonggang River area. The purpose of the museum is to effectively preserve, exhibit, and acknowledge the history and culture of the area through collecting, researching, investigating and organizing the items on display. In addition, the museum was established to enhance cultural nostalgia and contribute to public education.

The museum is comprised of several halls, including a permanent exhibition hall and a temporary exhibition hall, showing the history of Miryang during the Samhan era and the Joseon dynasty. Collections include various cultural assets designated by Gyeongsangnam-do, as well as an exhibit-style storage of literary works, and folk and daily relics.