Patients with congenital immunodeficiency generally need to take continuous medication, and the specific length of treatment varies according to the specific type of disease, treatment method and other factors. 1. Congenital immunodeficiency, i.e. primary immunodeficiency, patients have immune dysfunction due to defects in cells, body fluids, immune organs, etc., and the risk of infectious diseases and autoimmune diseases is higher, and the treatment methods include substitution therapy, anti-infection therapy, immune reconstruction therapy and gene therapy, etc., and in general patients need to take medication on an ongoing basis. 2. Primary immunodeficiency includes more than 300 kinds of diseases, and the specific treatment duration and treatment plan of patients vary according to the specific kinds of diseases, treatment methods and other factors. The diagnosis of primary immunodeficiency is more complicated, and it needs to be analyzed by physicians with rich experience in primary immunodeficiency. It is recommended that primary immunodeficiency patients go to regular hospitals for detailed consultation and standardized treatment under the guidance of doctors.