PROBLEM TO BE SOLVED: To execute thermal management of the inside of a chill and freezing car inexpensively for box lunch, rice balls, chilled food, etc. which require low temperature transport, without forcing excess burdens on a driver, by utilizing a Wi-Fi information communication network.SOLUTION: A system for managing a delivery state by a chill and freezing car 1 consists of: a temperature sensor 9 installed in the inside of a container 3 of the chill and freezing car 1; a controller 4 loaded in the chill and freezing car 1 provided with a Wi-Fi module 12 for allowing communication of temperature data information measured by the temperature sensor 9; an access point 13 for Wi-Fi provided in a store which is a delivery destination 2 in order to allow information communication with the Wi-Fi module 12 of the controller 4; and a management server 17 provided to a delivery manager 5 in order to perform thermal management and delivery management of the chill and freezing car 1. The system manages the delive
