Hematopathology also called as hemopathology is the branch of pathology which deals with the diseases of hematopoietic cells. The study involves Normal Haematopoiesis, Red Cell Disorders, and White Cell Disorders. It helps in the treatment of the disease that affects the production of blood and it components. Haematologists also work on oncology with oncologists in the treatment of cancer. There are different disorders affected by haematology i.e. Anaemia, haemophilia, general blood clots, bleeding disorders etc.