The present invention provide anti-FGF19 antibody and composition comprising the antibody such as this and using the method for antibody such as this, use the method for anti-FGF19 antibody and include the method for detection FGF19 and/or FGFR4.本發明提供抗-FGF19抗體、及包含該等抗體之組合物及使用該等抗體之方法、使用抗-FGF19抗體之方法、及包括檢測FGF19及/或FGFR4之方法。