A barbecue grill, comprising: a first cover plate comprising first hinge members, each first hinge member comprising a first edge; a first furnace wall comprising second hinge members, each second hinge member comprising a second edge; a second furnace wall comprising third hinge members, each third hinge member comprising a third edge; a second cover plate comprising fourth hinge members, each fourth hinge member comprising a fourth edge; and a hinge seat; wherein: the first hinge members are disposed on two sides of one end of the first cover plate, respectively, and the first hinge members are fixed on the hinge seat via a first hinged pin; the second hinge members are disposed on two sides of one end of the first furnace wall, respectively, and the second hinge members are fixed on the hinge seat via a second hinged pin; the third hinge members are disposed on two sides of one end of the second furnace wall, respectively, and the third hinge members are fixed on the hinge seat via a third hinged pin; the fourth hinge members are disposed on two sides of one end of the second cover plate, respectively, and the fourth hinge members are fixed on the hinge seat via a fourth hinged pin; in an unfolded state, an included angle between an inner surface of the first cover plate or an inner surface of the second cover plate and a central plane extending in between both cover plates of the barbecue grill when being in a folded state is greater than 90 degrees, and an included angle between an inner surface of the first furnace wall and an inner surface of the second furnace wall is smaller than 90 degrees; characterized in that: a maximum spacing between the first edge and the first hinged pin is a first spacing, a maximum spacing between the second edge and the second hinged pin is a second spacing, and a sum of the first spacing and the second spacing is greater than a distance between the first hinged pin and the second hinged pin; and a maximum spacing between the third edge and the third hinged pin is a third spacing, a maximum spacing between the fourth edge and the fourth hinged pin is a fourth spacing, and a sum of the third spacing and the fourth spacing is greater than a distance between the third hinged pin and the fourth hinged pin. a first cover plate comprising first hinge members, each first hinge member comprising a first edge; a first furnace wall comprising second hinge members, each second hinge member comprising a second edge; a second furnace wall comprising third hinge members, each third hinge member comprising a third edge; a second cover plate comprising fourth hinge members, each fourth hinge member comprising a fourth edge; and a hinge seat; the first hinge members are disposed on two sides of one end of the first cover plate, respectively, and the first hinge members are fixed on the hinge seat via a first hinged pin; the second hinge members are disposed on two sides of one end of the first furnace wall, respectively, and the second hinge members are fixed on the hinge seat via a second hinged pin; the third hinge members are disposed on two sides of one end of the second furnace wall, respectively, and the third hinge members are fixed on the hinge seat via a third hinged pin; the fourth hinge members are disposed on two sides of one end of the second cover plate, respectively, and the fourth hinge members are fixed on the hinge seat via a fourth hinged pin; in an unfolded state, an included angle between an inner surface of the first cover plate or an inner surface of the second cover plate and a central plane extending in between both cover plates of the barbecue grill when being in a folded state is greater than 90 degrees, and an included angle between an inner surface of the first furnace wall and an inner surface of the second furnace wall is smaller than 90 degrees; a maximum spacing between the first edge and the first hinged pin is a first spacing, a maximum spacing between the second edge and the second hinged pin is a second spacing, and a sum of the first spacing and the second spacing is greater than a distance between the first hinged pin and the second hinged pin; and a maximum spacing between the third edge and the third hinged pin is a third spacing, a maximum spacing between the fourth edge and the fourth hinged pin is a fourth spacing, and a sum of the third spacing and the fourth spacing is greater than a distance between the third hinged pin and the fourth hinged pin.