Provided is a living body information acquisition system including a living body information acquisition apparatus configured to acquire living body information of an inside of a subject, and a power supply apparatus configured to be able to wirelessly supply power necessary for driving each part of the living body information acquisition apparatus, in which the living body information acquisition apparatus has a power receiving section capable of receiving the power that is supplied by the power supply apparatus, and an extension part that is provided so as to extend from the main body part of the living body information acquisition apparatus, and is formed from a flexible member which can contain thereinside at least a part of the power receiving section.
