Portable anti-unsealing vacuum sample sealing bag

A main body of the portable anti-sealing-off vacuum sample sealing bag is made of plastic or soft composite materials, and the portable anti-sealing-off vacuum sample sealing bag structurally comprises a bag body, a bag opening and a vacuumizing connector. The bag body comprises a front face, a back face and side faces, the side edges and the bottom edges of the faces are sealed in a heat sealing mode to form sealing belts, a bag opening is formed in the upper portion of the bag body, and a disposable self-adhesion seal and a sealing strip are arranged on the inner side of the bag opening. And a vacuumizing interface is arranged on the bag body. In the using process, air in the bag can be sealed and pumped out, the sample sealing bag can reduce the influence of air components on material evidences or samples in the pumping, transporting and inspecting process to a great extent, and the functional requirements for preventing sealing off and replacement, being observable and keeping the original state of the ma