Provided is an ultrasound apparatus including a plurality of channels, each including a transmission channel configured to generate and output a transmission signal on the basis of a synchronization signal, a temperature detector configure to output a temperature information signal of the transmission channel, a transducer element configured to convert the transmission signal output from the transmission channel into an ultrasound signal and output the ultrasound signal, a reception channel configured to receive a reception signal that returns after the ultrasound signal is transmitted to an object and is reflected from the object, and acquire ultrasound image data on the basis of the received reception signal, and a switching circuit configured to connect the temperature detector to the reception channel such that the reception channel receives the temperature information signal of the transmission channel, wherein the reception channel generates a control signal for closing or opening the switching circuit, and the switching circuit is closed or opened on the generated control signal.