PROBLEM TO BE SOLVED: To perform hot storage of Tempura of seafood of lobsters Tempura or the like delectably.SOLUTION: A hot storage device 10 is controlled such that: an inside of a heating cabinet 12 that accommodates Tempura of seafood becomes 65-75°C by a heater 21 relative humidity in the heating cabinet 12 becomes 10-30% by a humidistat 22 in a state that does not circulate air in the heating cabinet 12 and the relative humidity in the heating cabinet 12 becomes 20-50% by the humidistat 22 in a state in which the air in the heating cabinet 12 is circulated by a fan device 23.COPYRIGHT: (C)2014,JPO&INPIT【課題】海老の天麩羅をおいしく温蔵する。【解決手段】温蔵装置10は、魚介類の天麩羅を収容した温蔵庫12内をヒータ21により65~75℃となるように制御し、温蔵庫12内の空気を対流させない状態では、温蔵庫12内の相対湿度を湿度調節器22により10~30%となるように制御し、温蔵庫12内の空気をファン装置23により対流させた状態では、温蔵庫12内の相対湿度を湿度調節器22により20~50%となるように制御した。【選択図】図2