A finger exerciser, comprising: a frame on which a palm of a subject is to be put; a movable section movable relative to the frame by power from a drive source, the movable section being configured to move a first finger group including at least one finger of the subject; a first fixing element configured to fix a relative position of the first finger group to the movable section; and a second fixing element configured to fix a relative position of a second finger group to the frame, the second finger group including at least one finger of fingers different form the first finger group, the second finger group being a thumb, characterized in that the second fixing element includes a band-like member having at least two attachment parts (91,92) apart from each other in a longitudinal direction of the band-like member, the band-like member being configured to be attached to the frame at the at least two attachment parts (91,92), the band-like member including a first attachment part and a second attachment part as the at least two attachment parts (91,92), and the frame having: first attachment-securing parts at a plurality of locations, the first attachment part being attachable to any one of the first attachment-securing parts; and second attachment-securing parts at a plurality of locations, the second attachment part being attachable to any one of the second attachment-securing parts, the band-like member including a holder whose relative position to the frame is changeable, the band-like member being configured to hold the second finger group by the holder, in a state where the band-like member is attached to the frame, the second fixing element being configured to fix the relative position of the second finger group to the frame in a state where the first finger group and the second finger group are brought into an opposite position, the opposite position being an appropriate positional relationship of the second finger group to the first finger group fixed the first fixing element for gripping an object. a frame on which a palm of a subject is to be put; a movable section movable relative to the frame by power from a drive source, the movable section being configured to move a first finger group including at least one finger of the subject; a first fixing element configured to fix a relative position of the first finger group to the movable section; and a second fixing element configured to fix a relative position of a second finger group to the frame, the second finger group including at least one finger of fingers different form the first finger group, the second finger group being a thumb, characterized in that the second fixing element includes a band-like member having at least two attachment parts (91,92) apart from each other in a longitudinal direction of the band-like member, the band-like member being configured to be attached to the frame at the at least two attachment parts (91,92), the band-like member including a first attachment part and a second attachment part as the at least two attachment parts (91,92), and the frame having: first attachment-securing parts at a plurality of locations, the first attachment part being attachable to any one of the first attachment-securing parts; and second attachment-securing parts at a plurality of locations, the second attachment part being attachable to any one of the second attachment-securing parts, the band-like member including a holder whose relative position to the frame is changeable, the band-like member being configured to hold the second finger group by the holder, in a state where the band-like member is attached to the frame, the second fixing element being configured to fix the relative position of the second finger group to the frame in a state where the first finger group and the second finger group are brought into an opposite position, the opposite position being an appropriate positional relationship of the second finger group to the first finger group fixed the first fixing element for gripping an object.