Lid structure of disposable beverage cup

A lid structure of disposable beverage cups, a concave space is set on an inner side of the lid, a buckle portion is set on a lid rim of the lid, the buckle portion is used to combine with a rim flange of a beverage cup, an inner containing groove is set on the buckle portion for the rim flange being buckled and placed inside, a first buckle rim and a second buckle rim are set on two sides of an inner surface of the inner containing groove respectively, wherein:

• at least an elastic gap is set on the lid rim of the lid, two sides of the elastic gap has a moderate separated elasticity, so as to combine with beverage cups manufactured by different manufacturers, a gap depth (H) of the elastic gap is longitudinally extended upward through the first buckle rim from the lid rim.