The space frame structure is a type of space steel structure that has developed rapidly in recent years, and has a large number of applications in public buildings. The spherical grid provides a novel structural form for the building. The reasonable curved surface of the spherical grid makes the structure more uniform, and it has the advantages of light weight, large span, small deformation, beautiful shape, and natural drainage. The steel components of the spherical grid can be factory-made and modularly installed, without the need for large-scale construction machinery, and the comprehensive economic indicators are good. The spherical grid structure is an ideal form of spatial structure.