The utility model relates to a verifying attachment technical field especially relates to water freezes commodity net content measurement verifying attachment. Water freezes commodity net content measurement verifying attachment includes the support to and constant temperature bath, weighing machine structure, elevating system and the controlling means of setting on the support, wherein, constant temperature bath sets up in the lower part that weighing machine constructs, the weighing machine structure is connected with elevating system to elevating system drives the weighing machine structure and does the elevating movement under controlling means's control. The testing process of freezing commodity at this application normal water all is automatic completions under the control at controlling means, reduces inspection personnel's working strength by a wide margin, is showing the error that reduces manual operation and bring, is favorable to improving measurement checking's efficiency, and then brings good economic benefits and social.