The utility model relates to an ice skate which comprises a skate body and a protective shell, the skate body comprises two first connecting parts, the two first connecting parts are located on the two opposite sides of the skate body, at least one first connecting part comprises a first non-circular structure, and the protective shell comprises two second connecting parts, at least one second connecting part comprises a second non-circular structure; the sliding component is arranged on one bottom side of the shoe body; and two pivoting mechanisms, each pivoting mechanism comprises a pivoting piece, each pivoting piece is inserted into one first connecting part and one second connecting part, the pivoting piece of at least one pivoting mechanism comprises a non-circular clamping structure, and the non-circular clamping structure can move between a locking position and a releasing position. According to the ice skates provided by the utility model, the protective shells can be swung, adjusted and positioned, the ice skates are convenient to put on and take off, the structure is simple, and extra bridles are not needed for auxiliary limiting.