A lower support type rehabilitation device for fingers is disclosed. It comprises a cover plate having a hand covering portion and a plurality of through holes； a plurality of finger supports disposed to the hand covering portion, each having a first finger base, a second finger base pivotally connected to the first finger base, two side arms and a beam disposed on the first finger base； and a traction device disposed on the hand covering portion and having a first processing module, a plurality of driving modules electrically connected to the first processing module, a plurality of pulling ropes connected to the plurality of driving modules and a plurality of pressure sensors electrically connected to the first processing module, wherein each of the plurality of pulling ropes passes through one of the plurality of through holes for fixing to the beam of the first finger base.
