Abstract: The force-limited control is the dual-control of acceleration and force, and can be used to solve the over-test and under-test problems in the vibration test. The design of the three-dimensional FMD（Force Measurement Device）is based on the previous study on vertical force-limited control, new force sensors, FEM calculations and vibration tests. The three-dimensional FMD is used in a cube’s vertical and horizontal force-limited test, with satisfactory results.