And regulates the movement of the lock member when the lock member is disengaged from the lock receiving part. The beverage container includes: a lid body which is attached to the container body and includes an opening through which beverage flows out; an upper lid 32 which may take a position 1 where the upper lid 32 covers the opening and a position 2 where the upper lid 32 rotates to open the opening; and a lid body 31 which is rotatably attached to the lid body 31, And a lock member 314 c for releasing fixation of the upper lid 32 by rotation, and the lock member 314 c has a defective part a12 fitted to a side part of the lid body 31 in the 1 th position, and a circular arc part a11 for abutting by force larger than force for pressing the defective part a12 by...