The utility model relates to a drug box and an injection box using thereof and an oral liquid packing box. The drug box and the injection box using thereof and the oral liquid packing box comprise a box body and two inserting plates, wherein the box body is hexahedron-shaped and is provided with a front face, a rear face, a left lateral face, a right lateral face, a bottom face and a top face. A first inserting plate is connected with the front face, a second inserting plate is connected with the right lateral face, in the process of opening sealing, the two inserting plates are closed in the inner portion of the drug box, three wave-shaped openings are evenly distributed in the inserting plates, the direction of each opening presents a 45-degree angle, folding marks are arranged on positions of central lines of the wave-shaped openings, and the folding marks can bend 90 degrees. When the inserted plates are closed in the inner portion of the drug box, the wave-shaped openings bend 90 degrees to form three hole positions which are used for containing commodity, and an opening of the drug box is sealed by inserting of bridge sides into the box body, and the bridge sides are arranged on the top face and the bottom face. The specific wave-shaped openings enable bending of the inserted plates to be convenient and rapid, and also enable the drug box to be beautiful and practical as a whole.