The present invention relates to a composition for stabilizing TNFα-binding protein exhibiting physiological activity, and more specifically, to a composition for stabilizing protein including basic amino acid and sugar and/or ammonium salt, a pharmaceutical formulation including the same, and a method for stabilizing TNFα-binding protein. The formulation including basic amino acid and sugar and/or ammonium salt according to the present invention effectively inhibits aggregation, denaturation and oxidation of TNFα-binding protein used for treating various diseases, for example, an anti-TNF-alpha antibody, such that the protein is capable of being preserved and stored for a long time, which is widely usable and effective in a medical field using TNFα-binding protein, for example, an anti-TNF-alpha antibody.
