Immunity is generally not reduced after stopping the use of splenic aminopeptide, but it should be viewed in the context of the patient’s condition, physical condition and other comprehensive analysis, and cannot be generalized. Splenin peptide has two dosage forms, one is lyophilized powder and the other is oral liquid. This product belongs to the immunomodulatory drugs, with two-way immunomodulatory effect, can enhance or inhibit the function of humoral immunity and cellular immunity. It can be used for the treatment of cellular immune insufficiency, immunodeficiency and autoimmune dysfunction diseases (such as recurrent respiratory tract infections, bronchitis, etc.); used for malignant tumor patients to improve the quality of life after radiotherapy, chemotherapy and surgery, and to reduce the incidence of colds, fevers, or other infections caused by various reasons; used in the treatment of allergic rhinitis, chronic hepatitis B. This product can cause fever, rash and other adverse reactions. The contraindications are not clear at present. Note that the use of the drug is prohibited when its properties have changed. Splenopeptide Lyophilized Powder and Oral Liquid are commonly used in the adjuvant treatment of a variety of diseases, with a strong immunomodulatory effect; whether or not there will be a decrease in immunity after its discontinuation cannot be generalized, and needs to be viewed in the light of a comprehensive analysis of the patient’s actual condition and physical status, which generally varies from person to person. The human body’s resistance is not dependent on the drug, but the body’s own formation of a defense ability. Therefore, the general will not produce dependence on the splenic aminopeptide drug, can be in the body to restore the state of health and stabilize the condition of the stop taking. Splenic Amino Peptide should be used according to the patient’s condition and under the guidance of a doctor. If the resistance is low, it is recommended to consult a doctor in time and follow the doctor’s instructions to standardize the diagnosis and treatment.