The endoscope apparatus 10 includes a plurality of connection units 11 and 12 each capable of connecting an endoscope, and a priority setting unit 16 that sets a connection priority that is a driving priority of the plurality of connection units 11 and 12. A drive unit 17 that supplies a drive signal to one endoscope, and a control unit 19 that controls the drive unit 17 to supply a drive signal to any one endoscope based on the connection priority; Are provided.内視鏡装置10は、それぞれが内視鏡を接続可能な複数の接続部11、12と、複数の接続部11、12の駆動優先度である接続優先度を設定する優先度設定部16と、1つの内視鏡に駆動信号を供給する駆動部17と、接続優先度にもとづき、駆動部17が、いずれかの1つの内視鏡に駆動信号を供給するように制御する制御部19と、を具備する。