Heating chamber for heating food, a steam generating device for generating steam, steam chamber disposed in heating chamber, and steam introduction channel for introducing steam generated by the steam generating device to steam chamber are included. Steam chamber discharge channel for introducing water accumulated in steam chamber to outside of steam chamber is provided. Therefore, a sanitary heating cooker capable of preventing food from being immersed with condensed water, as well as preventing heating chamber from being flooded with water overflowing from steam chamber can be provided.