Abstract: In a passage assistance apparatus (1) according to the present invention, a storage unit (10) stores passage assistance information regarding passage through an automatic door, a passage condition regarding passage through the automatic door and information regarding an attribute of an image of the surrounding region of the automatic door are associated with each other in the passage assistance information. The passage condition is at least one of the automatic door opening/closing condition and a passage guide condition for the automatic door user, an image acquisition unit (11) acquires a real time image of the surrounding region of the automatic door, an identification unit (12) identifies attribute information, with respect to the real time image, a passage condition selection unit (13) selects a passage condition associated with attribute information in the storage unit (10) that has matched the identified attribute information, and an output unit (14) outputs the selected passage condition.