Breathable compression-resistant anti-ejection packaging cover

The utility model provides a breathable compression-resistant anti-ejection packaging cover, which relates to the technical field of packaging covers and comprises an inner cover, two first sliding grooves are formed in the inner surface wall of the inner cover, and sliding blocks are embedded in the inner surface walls of the two first sliding grooves in a sliding manner. According to the utility model, under the interaction of all the components of the equipment, when the packaging cover is used, the packaging cover is covered on a container needing to be packaged, gas in the container can be discharged through the breathable film and the dustproof film, and moisture and impurities outside the container cannot enter the container through the breathable holes, so that the breathable, dustproof and waterproof functions are realized; due to the adjusting function of the inner cover part, the number of the ventilation holes can be increased or decreased according to actual requirements, the ventilation performa