Provided are an apparatus for indicating insertion of medicines, a medicine insertion apparatus, an auto-packaging apparatus having the same, and a medicine insertion area indication method thereof. The hydraulic system includes a first device capable of being hydraulically powered by the pump and a reversing device adapted to cause the first device to autoreverse. When there is a rise in the temperature as detected by the temperature sensor, a driving circuit of the electro-magnetic clutch is interrupted before trouble is caused by an abnormally high temperature. The first trailer may include a plurality of wall units arranged along a non-adjacent side wall of the first trailer. Processes for the preparation of these dosage forms and methods of using these dosage forms are also described.