The invention discloses a cup lid which comprises a lid body and a lining piece. The lid body and the lining piece are connected through shackles in a close-fit mode, a protrusion is arranged in the center of the lining piece, an independent cavity is formed between the protrusion and the lid body, and an extensible straw, or a toy, or cereal jam or other matched products can be stored in the cavity. According to the cup lid, secondary packaging of the lid body and the lining piece can be achieved, the matched products can be effectively prevented from falling in the transporting process, and the cup lid is simple in structure, convenient to use and novel in design.