A waist guard structure refers to a structure for shaping a waist portion and supporting a waist portion, the structure comprising: a supporting device having one or more joint portions on one side or both sides； and, a first a main belt and a second main belt, wherein the first main belt and the second main belt are provided with a first combining portion and a second combining portion, and the first combining portion and the second combining portion are correspondingly connected according to the width of the user's waist. The joint of the support device, thereby providing an adjustment assembly suitable for a variety of waist sizes.一種護腰結構，是指做為塑形腰部及支撐腰部的結構，該結構包括有：一支撐裝置，該支撐裝置一側或兩側設有一個或一個以上的結合部；以及，一第一主帶與一第二主帶，該第一主帶與第二主帶設有第一組合部與第二組合部，該第一組合部與第二組合部依照使用者腰的寬度對應連接於支撐裝置的結合部，藉此提供適用於多種腰部尺寸的調整組裝。
