Disclosed is a lid structure, which includes a main lip, an upper lid and a locking
assembly, the main lid is provided with a
straw, an inserting and locking portion is disposed on the
straw, the upper lid is buckled to the main lid, the upper lid is provided with an opening for the
straw to extend out, the locking
assembly is disposed between the main lid and the upper lid, and when the straw is bent, the locking
assembly can move along a radial direction of the main lid to be inserted and locked with the inserting and locking portion. In the present disclosure, a manner that the locking assembly is matched with the inserting and locking portion on the straw is adopted when there is no need to drink water, so that the straw can be kept bent all the time, which avoids liquid leakage.