The invention provides a financial product future revenue data prediction method, device and system. The method comprises the steps of obtaining a basic data set of an enterprise; Inputting the basicdata set into a pre-constructed neural network model to obtain enterprise fluctuation data output by the neural network model; Determining an enterprise rank of the enterprise based on a pre-constructed knowledge graph; And predicting future revenue data of financial products corresponding to the enterprise by combining the enterprise fluctuation data and the enterprise ranking. The future incomedata of the financial product can be predicted through the neural network and the knowledge graph in an automatic mode, and therefore the accurate future income data of the financial product can be obtained.