Vacuum sealing bag

A vacuum sealing bag, comprising:

• a bag body, wherein the bag body comprises a wall body formed of plastic film, a bag mouth formed at a top of the wall body, and a bag bottom axially opposite to the bag mouth;
• the wall body is a circumferentially closed continuous surface structure, and an inner surface thereof encloses to form a vacuum accommodation cavity;
• the inner surface of the wall body is provided with a functional raised-and-depressed texture, wherein the raised-and-depressed texture extends continuously from the bag mouth along the inner surface of the wall body to the bag bottom to form a gas discharge path;
• and the bag mouth is heat-sealable, wherein the wall body is integrally formed by a blow molding process, and a raised shape of the raised-and-depressed texture is any one or a combination of a linear stripe, an oblique linear stripe, or a wavy pattern.