Abstract: The cable-stayed bridge is more complex structure in bridge.Because of its pylon and cable, cablestayed bridge is state of high hyperstatic structure.Analysis for cable-stayed bridge used 2D or 3D beam element model routinely.Only few researcher used 3D solid element and 2 nodes link element to set up full bridge element model of cable-stayed bridge for structure analysis.It is impossible to simulate accurately about beam rotation rigidity, shearing anelasticity and eccentric load action etc.It is difficult to get calculating results of survey point in space position when load test for cable-stayed bridge under random vehicle arrange action.This pepper introduce to make use of software of Analysis System of Bridge Testing (Chinese name abbr.QLJC), which is developed by RIOH (Research Institute of Highway) of China, to set up full bridge element fine model of cable-stayed bridge with 3D link and solid element.3D solid element is isoparametric element with 12 nodes, which is more fit for bridge structure of slim structure with small size on cross section and large size on longitudinal section.Girder and pylon of cable-stayed bridge are meshed with 3D solid element.Cable is meshed with 2 nodes 3D link element. Girder, pylons and cables are connected with restricted equation of node displacements.This is a feasible spatial analysis method for cable-stayed bridge.Some calculating result of static and dynamic analysis will be put out in this pepper.