Bagged frozen food unfreezing monitoring label and manufacturing and using method thereof

The invention relates to a bagged frozen food unfreezing monitoring label and a manufacturing and using method, the bagged frozen food unfreezing monitoring label comprises an upper sealing film structure and a lower substrate structure, the upper sealing film structure and the lower substrate structure are attached and connected, the upper sealing film structure comprises a sealing film body, a starting button and protruding ribs, the protruding ribs are arranged around the starting button, and the starting button is arranged on the sealing film body. The lower base plate structure comprises a base plate body, a liquid storage bag is arranged at the overlapping position of the base plate body and the start button, a migration piece is arranged on the outer side of the liquid storage bag, the migration piece is pasted on the base plate body, and the migration piece forms non-intersecting shape channels on the base plate body. The time of related products in the environment higher than the set temperature can