Introduction to the ground exhibition hall: The ground exhibition hall is divided into two floors: the first floor is a reception and function conversion space, including a consultation reception area, a preface hall, a tail hall, an underwater tour waiting area, a souvenir sales area, etc. The second floor is a display space, which is divided into "Water - Hydrological Observation in the World's Great River Civilizations", "Children - The Scientific Value of Baiheliang Inscriptions", "Poetry - The Humanistic Value of Baiheliang Inscriptions", "Pavilion ——The world's first underwater inscription museum" four units.