Drugs that increase leukocytes, also known as drugs that elevate white blood cells. In clinical practice, there are many patients with leukopenia who often need to increase the number of white blood cells in their peripheral blood to improve their immunity. There are two major types of drugs to increase leukocytes, oral and injectable. Oral drugs include Licorun, Diyu Boost, Diyu Boost capsules, vitamin B4, and shark liver alcohol, which are the most commonly used drugs to increase leukocytes. Clinical observation shows that for patients with leukopenia, if oral leukocyte-elevating drugs are taken, it is best to combine two or more of them for a more pronounced therapeutic effect. In addition, there are also injectable leukocyte-elevating drugs, commonly used is recombinant human granulocyte colony-stimulating factor, including short-acting and long-acting two specifications, mainly used in clinical patients with malignant tumors, when there is severe granulocytopenia, then you can use recombinant human granulocyte-stimulating factor to raise leukocytes.