Abstract: The present prevention relates to methods for treating TNF?-related diseases by subcutaneously administering an antibody binding to TNF? (anti-TNF? antibody) or an antigen-binding fragment thereof. The treatment method, composition, kit or use according to the present invention provide an advantage of improving patient satisfaction, by improving convenience and quality of life, that is, by reducing the time required for administration and decreasing the length of stay of patients in a hospital compared to intravenous injection.