The present invention relates to ticagrelor having a novel crystal form, a method for preparing the same, a pharmaceutical composition containing ticagrelor having the novel crystal form, and the use of ticagrelor having the novel crystal form as a medicine. [Selection] Figure 1本発明は新規な結晶形を有するチカグレロル、その調製方法、前記新規な結晶形を有するチカグレロルを含む医薬組成物、及び新規な結晶形を有するチカグレロルの薬剤としての使用に関する。【選択図】図1