An in-vivo image acquiring system 1 according to the present invention includes a capsule endoscope 2 that takes an in-vivo image a magnetic field generator 5 that generates a magnetic field a receiving unit 3 that receives the in-vivo image an image processing unit 10a that processes the in-vivo image a display unit 4 that displays the in-vivo image on a predetermined display screen an alarm lamp 11 that notifies a generation state of the magnetic field using the magnetic field generator by use of light. The in-vivo image acquiring system 1 controls at least one of the alarm lamp 11, the image processing unit 10a, or the display unit 4 such that an operator who visually identifies the in-vivo information is less disturbed by the light from the alarm lamp.