A device for treating hallux valgus and/or dysarthrosis includes a first base 11 having one side surface for the heel of a human foot to be attached thereon； a second base 12 having one end disposed on the side surface of the first base and one side surface 20 for the sole of the human foot to be attached thereon； a push portion 13 disposed on the second base and having an abutting surface 32 corresponding in position to an outer side of the first toe of the human foot and configured to abut against an outer side of the first metatarsophalangeal joint of the first toe to be moved between a first position and a second position； and a support portion 14 disposed on the second base and having one end located between the first toe and the second toe of the human foot for abutting against one side of the first toe. A pair of mutually symmetrical structures for left and right feet may be provided for the treatment of dysarthrosis.
