The present invention relates to a blood collection auxiliary sleeve, which mainly comprises a finger sleeve with a built-in annular air bag, and the annular air bag communicates with the air bag through the inflation tube, and the finger can be inserted into the finger sleeve to extend the ring type air bag. In addition, the compressed air of the inflatable balloon enters the annular balloon and presses the blood inside the finger to the fingertip end, so that the blood collection needle can smoothly puncture the finger pad and achieve the purpose of blood collection and blood sugar test.本創作係一種採血輔助套,主要包括有一內置環型氣囊的指套,該環型氣囊經由充氣管而與充氣囊連通,俾可由指套供手指穿入後,令指腹伸出環型氣囊外,續經充氣囊擠壓氣體進入環型氣囊而壓迫手指內部血液至指腹端,以利採血針可以順利穿刺指腹,達到採血檢驗血糖的目的。