Melatonin, also known as melanocyte agglutinin, is a hormone existing in many organisms from algae to human beings. It can promote the production of endogenous granular leukocytes/macrophages through bone marrow T cells and can be used for adjuvant treatment of tumors. Vitamin is a trace organic substance that people and animals must obtain from food in order to maintain normal physiological functions, and it plays an important role in the process of human growth, metabolism and development.