A medical suture scissor is disclosed for improving surgery convenience. The medical suture scissor includes two knives pivotally connected to each other through a joint, with each knife having a grip and a cutting portion, and with an end of the cutting portion away from the joint forming a free end. The cutting portion of each knife includes a positioning notch, with each positioning notch having a gap, and with the two gaps facing each other. The two positioning notches encircle a close area while the two free ends closing each other. One of the knives has a cutting edge formed on the cutting portion, wherein the cutting edge facing the cutting portion of another knife.一種醫療縫線剪,用以提升手術便利性,該醫療縫線剪包含:二刀件,經由一樞接件以相互樞接,該二刀件分別具有一握持部及一剪切部,該剪切部遠離該樞接件之一端係形成一自由端,各該刀件之剪切部分別開設一定位缺槽,該二定位缺槽為開口呈相互對位之二凹槽,使得該二剪切部之自由端相互接近時,該二定位缺槽係環繞形成一封閉區域,其中一刀件之剪切部設有一刃口,該刃口與另一刀件之剪切部呈相對。1‧‧‧刀件11‧‧‧握持部111‧‧‧握把12‧‧‧剪切部12a‧‧‧自由端121‧‧‧刃口122‧‧‧定位缺槽2‧‧‧樞接件
