Computer master panel

The utility model relates to a computer host machine panel, comprising a panel body, a plurality of decorative strips, and a sliding door. Both sides of the panel body are respectively provided with a rail and a plurality of holes. The inner side of the rail is provided with a plurality of holes which are concave inwards in an equidistant mode. The decorative strips have different colors. At least one pair of hooks is arranged. The hooks are combined with the holes at both sides of the panel body in a segmented mode. The edges at both sides of the sliding door are respectively provided with a convex strip which is provided with at least one convex block outwards. The end part of the convex strip is provided with an empty groove which leads the convex strip to have elasticity which is concave inwards and is expanded outwards. The convex strip can be embedded at the rail of the panel body. The sliding door rises and falls along the rail. The sliding door is elastically buckled and positioned through the convex block of the convex strip and the holes which are concave inwards of the rail.