Data importing processing method and data processing device

The invention discloses a data importing processing method and a data processing device. The data importing processing method includes acquiring source data to be imported, a source data model and a target data model; establishing a mapping relation between the source data model and the target data model and converting the acquired source data according to the established mapping relation; acquiring preset business rules of the target data model and filtering the converted source data; and computing global similarity of the filtered source data and target data, deleting the source data with global similarity values higher than a preset similarity threshold value and importing the source data which meet similarity conditions into a data table of a target database after similarity processing is performed on the source data. The data importing processing method and the data processing device have the advantages that by the data importing processing method and the data processing device, the consistency of stored data can be improved, the storage efficiency is improved, and data redundancy is reduced.