Three-dimensional wiring circuit board structure

The embodiment of the utility model provides a circuit board structure for three-dimensional wiring, and the circuit board structure for three-dimensional wiring comprises a bottom plate which is provided with a first groove and a first pin; the function board is provided with a second pin and a third pin; the bridging plate is provided with a second groove and a fourth pin; wherein the bottom of the function board is inserted into the second groove, and the second pin is connected with the fourth pin, so that a combined function module is formed; the combined function module is inserted into the first groove, and the third pin is connected with the first pin. The bridge board and the functional board form the combined functional module, and then the combined functional module is arranged on the bottom board, so that the space utilization efficiency is improved, the number of connecting pins of the bottom board to the functional board is increased, and the circuit wiring space of the functional board and the