Color-changing label and application thereof

The invention discloses a color-changing label and application thereof. The color-changing label comprises release paper and a label body arranged on the release paper, the label body comprises an adhesive layer, an inner cavity and a ray shielding layer which are sequentially arranged from the position close to the release paper, and the inner cavity is filled with a light-emitting material; and the inner cavity comprises two independent inflatable bag structures which are connected with each other. The color-changing label prepared by the scheme of the invention does not need to be supervised by personnel during radiographic detection of a building framework, is easy to operate, can effectively improve the authenticity of detection data of a target position by a ray, and prevents the occurrence of a counterfeit condition. 本发明公开了一种变色标签及其应用，所述变色标签包括离型纸以及设于所述离型纸上的标签本体，所述标签本体包括自靠近所述离型纸开始依次设置的黏胶层、内腔和射线屏蔽层，所述内腔中填充有发光材料，所述内腔包括两个相连的独立充气包结构。通过本发明方案制备的变色标签，在射线检测建筑构架时无需人员监管，容易操作，可有效提高射线对目标位置的检测数据的真实性，预防造假情况出现。