Hematology is concerned with the study, diagnosis, treatment and prevention of blood, blood forming organs & blood diseases.Blood is basic to almost all the body's functions, and a blood test can reveal more about your physical condition than almost any other kind of examination, so hematology is an important medical specialty, Advances in Hematology and Oncology Research journal is to serve the scientific community by exploring the ideas of the researchers. Whilst a major part of a haematologist's time is spent in providing direct clinical care to patients, diagnostic work in the laboratory is also a significant part of their work. A hematologist is a specialist in hematology, the science or study of blood, blood-forming organs and blood diseases. One of the most important laboratory tests is the complete blood count, a blood analysis with a count and analysis of the different types of cells that make up the blood. If your primary care physician has recommended that you see a hematologist, it may be because you are at risk for a condition involving your red or white blood cells, platelets, blood vessels, bone marrow, lymph nodes, or spleen. The instruments include analyzers, flow cytometers, coagulation analyzers, and slide stainers. Hematological studies are also important in determining pathogenicity of pathgens in hemolysis experiment.