This creation system provides a kind of deserted blood taking needle construction,System is formed with twice ejaculating forming technology,The blood taking needle includes: an ontology and a protective cover,Wherein one end of the ontology is equipped with the spicule with what thorn blood sampling,The spicule has tip; And a protective cover,It which is provided with the container of the tip collection of the spicule,And the opposite spicule extends and sets the plural connecting pin on the what ontology,It is constructed by this way,It is by the protective cover that the tip collection coverage of the spicule is exposed when the blood taking needle is not used,Once be intended in use,Extracing the protective cover enables the tip of the spicule expose,I.e. available what thorn blood sampling,Achieve the effect that use upper safety and convenience.本創作係提供一種拋棄式採血針構造,係以二次射出成型技術形成,該採血針包括:一本體及一保護罩,其中該本體的一端設有用於扎刺採血之針狀體,該針狀體具有尖部;及一保護罩,其上設有將該針狀體的尖部收藏之收容槽,及相對該針狀體延伸並設於該本體上的複數連接腳,藉如是構造,當該採血針未使用時藉該保護罩將該針狀體之尖部收藏遮掩不外露,一旦欲使用時,摘除該保護罩令該針狀體之尖部露出,即可用於扎刺採血,達到使用上安全性與便捷性的效果。