The invention relates to an experiment table for testing meshing characteristics of rotary fluid machinery, which comprises an interleaved T-slot base (1), a vertical axis rotor bracket assembly (2), a meshing disc (24), meshing rotors (3), horizontal axis rotor bracket assemblies (4), a rocking handle (5) and fastening assemblies (6), wherein the vertical axis rotor bracket assembly (2) and the horizontal axis rotor bracket assemblies (4) are connected on the interleaved T-slot base (1) through the fastening assemblies (6); the meshing rotors (3) are installed on the horizontal axis rotor bracket assemblies (4) and can realize axial fine adjustment; the meshing disc (24) is installed on the vertical axis rotor bracket assembly (2) by relying on an upper tip (23) and a lower tip (25) and can be finely adjusted along the axial direction; and under driving of the rocking handle (5), the meshing disc (24) is matched with the meshing rotors (3) and can realize simulation for the meshing process of a spatial meshing system; and matching of two meshing rotors (3) can realize simulation for the meshing process of a planar meshing system.