Can realize marking function's multipurpose test -tube rack

The utility model provides a can realize marking function's multipurpose test -tube rack, its 2 perpendicular extension boards that set up including left and right symmetrical interval, 2 layers or 3 layers of upper and lower interval of horizontal supporting plate are located between 2 perpendicular extension boards, and the last equipartition of horizontal supporting plate has a plurality of test tube jacks, especially, is equipped with the button in the horizontal supporting plate's of lower floor the test tube jack, the button pressurized can raise or descend, conventional the realizing button of function of upgrading among the button optional prior art also can be the utility model provides a button. The utility model discloses a jacking condition of button comes the mark to distinguish operated and test tube that do not operate, and the knob down is pressed through the test tube after putting back to the test -tube rack to the test tube of having operated, makes the test tube of having operated be less