The invention discloses a surgical saw blade, comprising a thin saw blade rod with a relative proximal section and a distal section; wherein the proximal section is used to maintain the saw blade rod on a power surgical sagittal saw blade releasablly; a saw blade head possessing a base part and a crown part; wherein the base part and the crown part have thicknesses, the thickness of the crown part is greater than that of the base part to allow the saw blade rod to be inserted in a saw port cut by a saw blade head; a driving rod capable of being placed in the saw blade movably and having a proximal end and a distal end; wherein the proximal end is configured to joint a driving part integrally molded with the surgical saw blade, the saw blade rod is equipped with an auxiliary opening; a finger-shaped body which extends from the driving rod and above the base part of the saw blade head, and is pivoted to the driving rod and then is connected with the base part of the saw blade, and is placed in the auxiliary opening of the saw blade rod.