A barbecue grill, comprising: at least one burner, which comprises a heat generation section and is arranged in an inclined, upward-facing manner in a barbecue grill; a grate, which is arranged in a top opening of the barbecue grill, the grate comprising a plurality of ribs, the ribs defining therebetween a plurality of openings, the ribs being provided with at least one temperature homogenization protection section, the temperature homogenization protection section being arranged above and corresponding to the heat generation section to shield a portion of the openings in order to uniformly distribute convection temperature caused by the heat generation section; and characterized in that the temperature homogenization protection section has two opposite side edges that comprise ribs extending downward therefrom to guide grease of grilled food to flow downward along the ribs to drop down therefrom and a grease guide and temperature barrier board, which is configured in an M-shape located under the burner, the grease guide and temperature barrier board being arranged in the barbecue grill and located under the burner to guide the grease of the grilled food to drop down onto a grease tray located on the underside thereof; and the burner comprises an infrared heater and the temperature homogenization protection section is arranged above and corresponding to the infrared heater such that an entire surface of a bottom of the temperature homogenization protection sections is allowed to directly receive radiation thermal energy emitting from the infrared heater to thereby enhance homogenization of grilling temperature. at least one burner, which comprises a heat generation section and is arranged in an inclined, upward-facing manner in a barbecue grill; a grate, which is arranged in a top opening of the barbecue grill, the grate comprising a plurality of ribs, the ribs defining therebetween a plurality of openings, the ribs being provided with at least one temperature homogenization protection section, the temperature homogenization protection section being arranged above and corresponding to the heat generation section to shield a portion of the openings in order to uniformly distribute convection temperature caused by the heat generation section; and characterized in that the temperature homogenization protection section has two opposite side edges that comprise ribs extending downward therefrom to guide grease of grilled food to flow downward along the ribs to drop down therefrom and a grease guide and temperature barrier board, which is configured in an M-shape located under the burner, the grease guide and temperature barrier board being arranged in the barbecue grill and located under the burner to guide the grease of the grilled food to drop down onto a grease tray located on the underside thereof; and the burner comprises an infrared heater and the temperature homogenization protection section is arranged above and corresponding to the infrared heater such that an entire surface of a bottom of the temperature homogenization protection sections is allowed to directly receive radiation thermal energy emitting from the infrared heater to thereby enhance homogenization of grilling temperature.