The utility model provides a carrier communication module intelligent detecting system, includes three -phase purification voltage regulator source, artifical power network, main frame, unit under test, joins in marriage survey equipment, spectral analyser, programmable attenuator, the acoustic coupler that makes an uproar, noise source simulator, variable load simulator and test bench. The three -phase purifies the voltage regulator source to be passed through the power line and links to each other with artifical power network, through two power lines even to the unit under test with join in marriage survey equipment, intermediate junction programmable attenuator provides an independent carrier transmission and decay passageway for detecting system, the main frame passes through the ethernet and test bench establishs the connection, realizes communication control carrier channel parameter with spectral analyser, noise source simulator, variable load simulator, programmable attenuator, accomplishes the test of carrier communication module capability test and analog system, the utility model discloses the face mould that can make perfect plans on -the -spot power line carrier's traffic environment, realizes detecting the intelligent of carrier communication module performance.