The invention relates to the field of functional structures of socks, and discloses a skate sock with functions of big toe phalange protection and gradient pressure and good foot feeling. The skate sock comprises a big toe phalange protection devices corresponding to the big toe part of human body; the big toe phalange protection device comprises a big toe phalange pressure reducing structure, which extends to an instep from a sole, wraps the whole big toe phalange, and is obtained by inwardly increasing the thickness of a sock body. The skate sock ensures that the position of the big toe phalange and a skate are fitter, prevents slipping, relieves the pressure of the big toe phalange, has the effect of big toe phalange protection, and is high in fit degree and good in foot feeling.