Method and device for calling business application during call

The invention provides a method and a device for calling a business application during a call. The method comprises the steps that a call application unit used for controlling a call application is triggered during a call to start a recording business application so that a user can record information in the business application; and a command of returning to and storing a call interface triggered by a user after information recording is completed is received by the call application unit and is sent to, stored in and announced to the business application, so that the information recorded by the user is stored in the business application, the call interface is opened, and prompts of storage of new information in the business application are displayed after the call is finished. By adopting the method and the device, the purpose of rapid recording during the call can be achieved.