To provide a food cooling/heating device having high heat efficiency and capable of simultaneously generating a heating medium cooled by a center cooling/heating unit and a heating medium heated by the center cooling/heating unit and utilizing both the heating media for cooling and heating of food in a terminal cooling/heating unit.

Heated brine B is generated by a 1st condenser 111 in the center cooling/heating unit 11 and cooled brine B is generated in a 1st evaporator 114. In the case of heating a food commodity stored in a commodity stock room 2a, heated brine B heated by a 2nd condenser 112 is circulated in a terminal heat exchange 121 to heat the food commodity. In the case of cooling food commodities stored in commodity stock rooms 2b, 2c, the cooled brine B cooled by a 2nd evaporator 115 is circulated in terminal heat exchanges 122, 123 to cool the food commodities.