Pressure relief structure and anti-explosion valve

The invention discloses a pressure relief structure and an anti-explosion valve. The pressure relief structure comprises a piston provided with a first air hole, and a first annular groove is formed in the inner wall of one end of the piston; the pressing sheet is provided with a first through hole and is arranged on the first annular groove; a containing cavity is formed in the end cover, a second through hole is formed in the bottom side of the containing cavity, and the end, internally provided with the containing cavity, of the end cover extends into the piston and is fixedly connected with the piston; the first elastic piece is arranged in the containing cavity, and the two ends of the first elastic piece abut against the bottom side of the containing cavity and the pressing piece respectively. The T-shaped inner plug comprises an inner plug rod and an inner plug head arranged at one end of the inner plug rod, the inner plug head is arranged in the piston and abuts against the pressing piece, the inner p