The benefits of long-term intake of transfer factor are to enhance or inhibit cellular immune function and humoral immunity, and to assist in the treatment of certain diseases and malignant tumors that are difficult to control with antibiotics. Transfer factor commonly used preparations are oral liquid, capsules, for immunomodulatory drugs; long-term benefits of taking transfer factor is to enhance or inhibit cellular immune function and humoral immunity, adjuvant treatment of malignant tumors and antibiotics are difficult to control mycobacterial or viral intracellular infections, but also used for chronic skin and mucous membrane mycosis, thrombocytopenia, eczema, and other certain immune-deficiency diseases. Adverse effects of transfer factors are not known; contraindications are contraindicated for those who are allergic to them; precautions are contraindicated in case of a change in the properties of the drug. If you need to use transfer factor, should be taken under the guidance of a physician, do not unauthorized use of drugs or extend the duration of the drug, to avoid causing adverse consequences.