Data processing method and device

The invention discloses a data processing method and device, and relates to the technical field of big data processing. A specific embodiment of the method comprises the steps of receiving a service processing request, obtaining a first account and to-be-processed data in the service processing request, and determining a customer number corresponding to the first account; querying an account list corresponding to the customer number, obtaining account data of each account in the account list, and loading a processing control parameter corresponding to the account data of the first account; in response to loading success, determining to call the first processing control logic, or in response to loading failure, determining to call preset second processing control logic, processing account data of each account, obtaining a processing mode of the to-be-processed data, determining a second account associated with the first account, and processing the to-be-processed data according to the processing mode of the to