A barbecue grill includes a bowl, a platform, a bracket connected to the bowl, and a coupler connected to the platform and used to engage with the bracket in a detachable manner. A positioning rod is formed on the bracket, and a guiding slit is made in the coupler. The positioning rod is movable in the guiding slit. A restraining aperture is made in the bracket, and a latch is formed on the coupler and movable between an extended position and a withdrawn position. In the extended position, the latch can be inserted in the restraining aperture to engage the coupler with the bracket to keep the platform on the bowl.