The invention provides a technical proposal about latticed shell nodal points of rectangular section rod pieces; wherein, in the technical proposal, the nodal points are provided with 6 connecting tubes which are of equal length and in a radial pattern, the cross section of each connecting tube is in the form of a rectangle, the head face of each connecting tube is provided with a connector, the connectors are matched with connecting ends of the rectangular section rod pieces; axes of the connecting tubes are on the same surface, the included angles form between two adjacent connecting tubes are equal; the nodal points are steel-cast monolithic constructions; the same surface where the axes of the connecting tubes are located can be a plane, a spherical surface, an ellipsoid, a cylndrical surface or a hyperboloid.