A kind of blood sampling syringe group of butterfly needle,Including one blood sampling syringe,Outside is connected to a pipe close needle group,The pipe close needle group has an at least pipe close needle,The pipe close needle one end is equipped with a branched pipe,The blood sampling syringe side corresponds to the branched pipe position and is equipped with an adapter tube portion,It is set so that the branched pipe connects,The pipe close needle other end is equipped with a pipe close needle,To puncture into a heparin tube,Blood is set to flow into the heparin tube； One butterfly needle group,It connects and is held before setting the what blood sampling syringe； One syringe push rod,Its front end is equipped with a rubber plug and is located inside the blood sampling syringe,The syringe push rod is equipped with plural button bit notch,The blood sampling syringe is equipped with a flange at Hou end,The flange is equipped with a movable buckle part,The button bit notch is fastened on to selectivity.一種蝴蝶針的採血針筒組，包括一採血針筒，外部相接有一管塞針組，該管塞針組具有至少一管塞針，該管塞針一端設有一分支管，該採血針筒一側對應該分支管位置設有一接管部，以供該分支管接設，該管塞針另一端設有一管塞針，用以穿刺入一採血管，使血液流入該採血管；一蝴蝶針組，接設於該採血針筒之前端；一針筒推桿，其前端設有一膠塞並設在該採血針筒內部，該針筒推桿上設有複數扣位缺口，該採血針筒在後端設有一突緣，該突緣上設有一活動扣位件，用以選擇性扣合在該扣位缺口。
