Placenta polypeptide injection has the effect of improving human immune function, and needs to be used under the guidance of professional physicians. Placenta Polypeptide Injection is a kind of western medicine, belonging to immunomodulator, which can activate the immune function of T cells, inhibit the peroxidation reaction of the organism, scavenge the free radicals, ensure the stability of the genetic material and the normal performance of the physiological function of the antibody, so as to play a role in improving the immune function of the human body. Placenta Polypeptide Injection should not be heated or boiled when applied; caution should be exercised in patients with renal insufficiency; the drug should not be applied when there are manifestations of turbidity, precipitation, etc.; caution should be exercised in pregnant women and lactating women. If the patient has a need for medication in the clinic, he should consult a professional physician in detail, so as to avoid the improper use of drugs leading to adverse consequences.