Low granulocytes may be due to heredity or to diseases such as aplastic anemia and myelodysplastic syndromes. Leukocytes can be classified into granulocytes and non-granulocytes according to their morphologic differences, and granulocytes can be classified into neutrophils, eosinophils, and basophils under Rachel’s staining. 1. Generally speaking, if the value of granulocytes is low, it may be caused by heredity and other physiological factors, so there is no need to worry too much. 2. However, if the patient has obvious physical discomfort, such as fever, abdominal pain, diarrhea, constipation, dry cough, chills, etc., it may suggest that he/she is suffering from a disease, and common diseases with low granulocyte counts include aplastic anemia, leukemia, myelodysplastic syndromes, typhoid fever, malaria, hyperfunctioning of suprarenal glands, diabetes mellitus ketoacidosis, etc., which need to be taken seriously. Once the patient’s blood test results for low granulocytes, need to take into account their own situation, ask the doctor’s guidance. In daily life, need to ensure adequate sleep, do not overwork. Diet, can eat more rich in vitamins and proteins, eat less spicy and stimulating food.