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Little Sisters of Grassland Heroes Deeds Exhibition Hall and Patriotism Education Base Project, located in Baiyun Ebo District, Baotou City, Inner Mongolia, with a floor area of about 5422 square meters, multi-high-rise steel frame structure, with a total structural height of about 15.45 m. The main frame columns are round tubular concrete columns, and the steel girders are curved H-type steel beams and straight rows of H-type steel beams, and the steel columns and steel beams are connected by bolted welds of the outer ring plate, and the node position of the three-dimensional heteromorphic connection.