Thedecompositiontemperaturesofthelanthanideorganiccomplexes(η^5-C5H5)2Ln(C6H5CONHO)involvingcyclopentadienylandbenzohydroxamicacidligandswerecalculatedandpredictedbythemodelbasedonANNs(artificialneuralnetowrks)method.ThecomparisonwascarriedoutbetweenresultsfromANNsmethodandtraditinalregressionmethod.ItisprovedthatANNscouldbeusedmoreefficientlyforthepredictionofdecompositiontemperatureoflanthanideorganiccomplexes.