The present invention relates to a formulation comprising an anti-PCSK9 antibody and use thereof, in particular to a pharmaceutical formulation comprising an antibody and/or antibody fragment specifically binding to proprotein convertase subtilisin/kexin type 9 (PCSK9), a buffer, a viscosity reducing agent and a surfactant. The present invention also relates to an anti-PCSK9 antibody. Furthermore, the present invention relates to therapeutic and diagnostic use of these formulations or antibodies.本發明涉及包含抗PCSK9抗體的製劑及其用途,尤其涉及包含特異性結合前蛋白轉化酶枯草桿菌蛋白酶/kexin型9(PCSK9)的抗體和/或抗體片段、緩衝劑、減黏劑和表面活性劑的藥物製劑。本發明還涉及抗PCSK9抗體。此外,本發明涉及這些製劑或抗體的治療和診斷用途。