A storable mouse is provided. The storable mouse includes a mouse body, a connecting element and a protective case. A connecting surface of the connecting element is coupled with a rear surface of the mouse body such that bilateral sides of the connecting element are rotatable with respect to the mouse body. The protective case is pivotally coupled with the connecting element and rotatable with respect to the connecting element. The protective case includes a receptacle. When the protective case is folded toward the mouse body, the upper surface of the mouse body is sheltered by and accommodated within the receptacle of the protective case.