Improvement in structure of gas stove tooth lid

The utility model provides an improvement in structure of gas stove tooth lid, which is arranged above the gas stove for guiding the fire source into distributed gas stove tooth lid structure. The utility model is characterized in that one side of the tooth lid is provided with a plurality of convex teeth, and distances are arranged between the convex teeth, while the other side of the teeth lid is convexly provided with an annular rib, the surface of the annular rib is provided with a plurality of penetrated fire holes, the hole diameter of each fire hole has changes from large to small, therefore the teeth lib has a more simplified structure, which is helpful to manufacture and production, meanwhile, the changes of hole diameter of each fire hole can improve the burning efficiency of flame, thereby according with the using requirement.