To provide a foot bath device to which feet are easily inserted and which is easy to clean.

A housing chamber 28 for housing the inserted feet is formed on a bottom plate 2, and an opening 29 for putting out the inserted feet is formed on the upper side of the housing chamber 28. Also, an openable and closable door 16 for opening the housing chamber 28 is provided, and the door 16, when it is opened, reaches the opening 29 from the top of the bottom plate 2 and opens the housing chamber 28 with the almost same width as the width of the housing chamber 28. The door 16 is provided with a pair of hinged double door members 18 and 20, and the pair of door members 18 and 20 are bent in the middle respectively further. Also, foot mounting bases 30 and 32 for mounting the feet are arranged inside the housing chamber 28 on the bottom plate 2, and the door 16 opens at least the side part of the foot mounting bases 30 and 32 as well when it is opened.