A hinge apparatus used to connect a base and a display unit comprises a connecting member a first fastening member a second fastening members a first pivoting member and a second pivoting member, wherein the connecting member includes a first hole and a second hole. One end of the first pivoting member is fixed with a display unit and the other end crosses through the first hole and is then fastened with the first fastening member. One end of the second pivoting member is fixed with a base and the other end crosses through the second hole and is then fastened with the second fastening member. With the connectivity between the connecting member the first pivoting member and the second pivoting member, the motion of the hinge apparatus is capable of rotating 360 degrees.