ABSTRACT: Gingival bleeding is a common, mild form of gum disease. It is a primary sign of gingival disease such as gingival inflammation or Gingivitis is caused by accumulation of plaque at the gum line. Gingiva becomes swollen, reddish and irritable to the patient due to plaque accumulation. Plaque which is not removed will harden into tartar. This will lead to severe advanced gum disease and its progresses to periodontitis and finally tooth loss. Bleeding gums or Gingival Bleeding can cause discomfort to the patient both physically and mentally. Every dentist must know the underlying causes of gingival bleeding based on both local and systemic factors. This article aims to discuss the systemic causes of GINGIVAL BLEEDING.