External financial software data integration method

The invention relates to the technical field of financial-statement-service external financial software data obtaining, in particular to an external financial software data integration method. The external financial software data integration method includes the following specific steps that different pieces of external financial software are selected and obtained in a guide page of a financial statement system, and therefore financial data is processed; different pieces of the external financial software are selected, then an ID is introduced through the external financial software, connectionis achieved in the mode that a corresponding interface is called according to the ID in a procedure of the financial statement system, and corresponding data is input into the external financial software; after data is completely input, the financial statement system automatically obtains data from the external financial software, statements of the financial statement system are automatically filled with the obtained dat