Splenopeptide and Pitomod can both improve human immunity, generally these two drugs can be taken by adults, but there are differences in the indications and adverse reactions of these two drugs. Splenic aminopeptide is a mixed solution made from animal body extraction, containing polypeptide amino acids, nucleotides and other substances, can improve human immune function, commonly used in the treatment of chronic hepatitis B, allergic rhinitis and so on. The adverse reactions of the drug are not clear at present. It is forbidden for those who are allergic to the drug, and pregnant women as well as lactating women should consult their physicians and not take it at will. Pitomod is a synthetic immunomodulator used as an adjunctive treatment for recurrent respiratory tract infections and urinary tract infections. Adverse reactions such as nausea, vomiting, dry mouth, bloating and dizziness may occur when taking this drug. It is contraindicated in people who are allergic to the drug, as well as in women in the third month of pregnancy. Use with caution in patients with congenital immunodeficiency. If you need to take drugs to improve immunity, you should consult your doctor in time and choose the right drug under the doctor’s guidance.