A balance analysis evaluation device includes a measuring module, a balance parameter calculation module and a balance ability analysis module. The measuring module senses a tester executing an action of static equilibrium or dynamic equilibrium to generate al least a balance sensing signal. The balance parameter calculation module executes a displacement velocity analysis of center of mass (COM) and a displacement trajectory analysis of COM according to the balance sensing signal to generate a displacement trajectory signal of COM, so as to generate a plurality of sway parameters of COM. The balance ability analysis module executes balance ability analysis according to the sway parameters of COM, so as to generate a result of balance ability analysis. The present invention also discloses a balance analysis evaluation method.一種平衡分析評估裝置包括一量測模組、一平衡參數運算模組以及一平衡能力分析模組。量測模組感測一受測者執行靜態平衡或動態平衡之動作而產生至少一平衡感測訊號。平衡參數運算模組依據平衡感測訊號進行一質量中心偏移速度分析與一質量中心偏移軌跡分析而產生一質量中心偏移軌跡訊號，進而產生複數個質量中心晃動參數。平衡能力分析模組依據該些質量中心晃動參數進行平衡能力分析，以產生一平衡能力分析結果。本發明亦揭露一種平衡分析評估方法。
