Account data processing method and device

The invention discloses an account data processing method. Corresponding settlement request processing operation is triggered for each received settlement request. The settlement request processing operation comprises that: a resource lock of an account corresponding to the settlement request is acquired; the amount of money to be settled of the account is locked, a batch number type corresponding to the settlement request is inquired and a current batch number of a corresponding type batch number is acquired; and the resource lock of the account corresponding to the settlement request is released.