Hydrogen production system and hydrogen production method

This hydrogen production system and hydrogen production method are provided with: a heat source capable of generating thermal energy of 600 DEG C or higher; a heat exchanger that heats water vapor using a heat medium that is heated by thermal energy; a high-temperature water vapor electrolysis device for producing hydrogen using the water vapor heated by the heat medium; and a heating device for heating the high-temperature water vapor electrolysis device using a heat medium heated by thermal energy. 在氢制造系统以及氢制造方法中，具备：热源，能够产生600℃以上的热能；热交换器，使用通过热能被加热的热介质来加热水蒸气；高温水蒸气电解装置，使用通过热介质被加热的水蒸气来制造氢；以及加热装置，使用通过热能被加热的热介质来加热高温水蒸气电解装置。