Abstract: Disclosed therein is a shoe having a functional sole for degenerative osteoarthritis of a knee joint, which includes a sole having at least one of an insole, a midsole and an outsole, characterized in that, in longitudinal section of the insole, the outsole or the midsole formed integrally with one of the insole and the outsole, both sides of an inner face and an outer face thereof are not parallel with each other, and that an angle of one of both sides of the inner face or the outer face to the ground outside the sole is smaller than an angle of the opposed side to the ground outside the sole.

Abstract: The present invention relates to a sole having a tilt surface, and to a knee joint-protecting shoe including same, and more particularly, to a sole having a tilt surface in which the tilt surface formed at the sole of a shoe enables the foot of a wearer to be inclined or slipped, inwardly or outwardly, in order to correct abnormality in the lower skeletal extremity, and uniformly distribute load on the knee joint of the wearer to prevent degenerative knee arthritis and alleviate pain, and to a knee joint-protecting shoe including the outsole.