Blood collection tube adapter convenient to pick and place

A blood collection tube adapter convenient to pick and place comprises a switch, a bracket, a clamping arm, an activity chamber, an adaptor main body, an uncapping frame, a test tube, a test tube cap, a hole, a spring and a sliding rail; the activity chamber is formed inside the adaptor main body; the activity chamber is connected with the hole which passes through the upper surface of the adaptor main body; the bracket is arranged in the activity chamber. According to the blood collection tube adapter convenient to pick and place, a concave test tube bracket of the bracket is always in contact with the bottom of the test tube and accordingly the test tube cracking caused by a collision of the bottom of the test tube is avoided, meanwhile the test tube which is arranged in the adaptor is convenient to take out due to the clamping arm which is arranged on the bracket and the switch which is arranged at the bottom, and accordingly the security of the test tube is effectively protected and the test tube is conve