Transfer Factor Oral Liquid is a misnomer, it should be Transfer Factor Oral Liquid, which acts to enhance or inhibit the function of humoral immunity and cellular immunity, is an immunomodulatory drug, and is used for human immunity abnormality-related diseases. It is used for the adjuvant treatment of certain viral or mycobacterial intracellular infections that are difficult to control with antibiotics (e.g., herpes zoster, epidemic encephalitis B, Candida albicans infections, viral myocarditis, etc.); it can be used as an adjuvant treatment for malignant tumors; it can be used for immune-deficiency disorders, such as eczema, platelet platelet mass reduction, multiple infection syndrome, and chronic skin and mucous membrane mycoses. The adverse reactions of transfer factor oral solution are not clear; when taking it, it should be noted that: allergy is prohibited, allergy with caution, pregnant and lactating women with caution, the elderly and children need to be used under the guidance of a physician. In the use of medication, must follow the doctor’s instructions, rational application of drugs, do not arbitrarily use drugs.