Capacity-controllable test paper assembly

The utility model relates to the related technical field of test paper, in particular to a volume-controllable test paper assembly, which comprises a test paper card and a liquid inlet hole arranged in the test paper card and used for accommodating reagents, an accommodating groove is arranged on one side of the liquid inlet hole, a volume control part used for controlling the volume of the reagents in the liquid inlet hole is arranged between the accommodating groove and the liquid inlet hole, and the volume control part is arranged on the test paper card. And the quantity control piece comprises a lifting sliding block which is arranged in the test paper card and vertically slides. According to the utility model, the accommodating groove is formed in the peripheral side of the liquid inlet hole, so that the purpose of transferring redundant capacity is achieved, and the purpose of controlling the dosage of the reagent in the liquid inlet hole is achieved by enabling the reagent exceeding the capacity to ent