A delivery assistance method that is executed by a delivery assistance device that assists in a delivery service in which an inside of a vehicle, a building, or a facility used by a user is designated as a delivery destination of luggage, the delivery assistance method comprising:
- deciding at least one of (i) a provision aspect including at least one of (a) whether or not information on the vehicle, the building, or the facility is provided to a company operating the delivery service and (b) a degree of limitation on the information to be provided and (ii) a contact aspect including at least one of (a) whether or not contact between the company and the user is available and (b) contact method between the company and the user, based on a progress situation for the luggage in a process of the delivery service;
- and
- performing at least one of (i) providing information on the vehicle, the building, or the facility to the company according to the provision aspect decided in the deciding and (ii) mediating contact between the company and the user according to the contact aspect decided in the deciding.