Device and method of test tube preparation

A test tube preparation device, comprising:

• a housing comprising a main cabinet and a lateral cabinet wall movably connected to the main cabinet;
• a labeling device disposed in the main cabinet, wherein the labeling device comprising:
• a linking module comprising a main frame and a linking unit disposed in the main frame, wherein the linking unit comprises a following frame movable with respect to the main frame;
• and
• a positioning unit disposed on the following frame for receiving a tube body;
• a surface treating device comprising a label generating module and a paper supply module configured to supply paper for the label generating module, wherein the label generating module transfers the generated paper to the labeling device, and the positioning unit provides fine adjustment of the position of the tube body relative to the surface treating device;
• and
• a control device configured to control the labeling device and the surface treating device, wherein the positioning unit finely adjusts the position of the tube body to move the tube body to approach or depart from the label generating module, whereby the tube body is labeled and transferred, wherein an auxiliary unit is disposed at one side of the main frame, the linking unit is disposed within the main frame and comprises an active roller unit and a following roller unit, the following roller unit comprises the following frame, the following roller unit is moved by the active roller unit so that the following frame is rotated relative to the main frame, and the positioning unit moves to approach or depart from the auxiliary unit.