Cap and bottle

The embodiment of the utility model provides a cover and a bottle, and belongs to the field of food packaging. The cover comprises a base, a nipple and a dustproof cover, the nipple is arranged at the top of the base; a first assembly structure is arranged on the outer side surface of the base; a second assembly structure is arranged on the inner side surface of the dustproof cover; the first assembling structure is matched with the second assembling structure, a containing space is formed between the base and the dustproof cover, and the nipple is located in the containing space. In the embodiment of the invention, the first assembly structure arranged on the base and the second assembly structure arranged on the dust cover are matched with each other, and guide alignment is performed in the assembly process, so that accurate assembly is realized, and the production efficiency is improved through automatic assembly on the premise of ensuring no pollution in the assembly process. 本申请实施例提供一种盖子和瓶子，属于食品包装领域。该盖子包