An ultrasound diagnosis apparatus which is connectable to a wireless probe that acquires first data by scanning an object is provided. The ultrasound diagnosis apparatus includes a controller which is configured to recognize an occurrence of a first event, to automatically terminate a first communication connection to the wireless probe via a first communication network, and to control an automatic start of a second communication connection to an external apparatus via the first communication network; and a communicator which is configured to exchange data with the wireless probe and/or with the external apparatus by using the first communication network under the control of the controller.