The invention discloses a static balance-based contact network cable three-dimensional dynamic modeling method. The method comprises the steps of constructing a contact network by using two-node nonlinear units in a space through utilizing a finite element theory, assembling a rigid matrix and an unbalanced force matrix according to a structural topology relationship of the contact network by utilizing a cable and rod combined structure-based nonlinear finite element modeling method, and establishing an overall nonlinear balance equation; by applying a Newton-Raphson method, solving static geometric parameters after loading of the contact network; based on solved static balance parameters of the contact network, representing a contact network three-dimensional model by adopting a triangular patch construction method; by applying a three-dimensional space analytic geometry method, calculating model data such as a normal vector, a triangular vertex conversion matrix and the like; and finally through real-time rendering, automatically generating a high-precision contact network three-dimensional digital model. According to the method, a large amount of manual modeling work of contactnetwork designers is reduced; and the generated high-precision three-dimensional model provides an accurate model source for later design check.