To provide a feeling induction device and a feeling induction method enabling an agent to exert an influence on human decision-making.

This feeling induction device 1 by a plurality of personified agents communicating with a person includes a state detection means 12 for detecting the human state by using one or more sensors of a biological information detection sensor 4 and a human state detection sensor 5; and an induction determination means 13 for determining whether opinion guidance to a person is necessary or not based on the human state detected by the state detection means 12. When determined that the opinion guidance to the person is necessary by the induction determination means 13, the plurality of agents communicate with each other so that the opinion to be guided gets a majority of the total of the persons and the plurality of agents.