A cup holder base support is connected between the interiors of a left cup holder and a right cup holder in a sliding mode, a cup holder base is fixed to the upper end of the cup holder base support, a cup holder pressure spring is connected between the lower end of the cup holder base support and the lower ends of the interiors of the left cup holder and the right cup holder, and a lock head is fixed to the lower end of the cup holder base support. A locking piece is connected between the lower portions of the left cup stand and the right cup stand in a sliding mode, and a locking piece spring is connected between the right portion of the locking piece and the bottom of the right cup stand. Beverage is placed on the cup holder base, the cup holder compression spring is pressed downwards, the cup holder base drives the cup holder base support and the lock head to move downwards together, then the lock head can be clamped into the lock groove of the locking piece so that the cup holder base can be connected in a clamped mode, then the cup holder can surround the beverage, after the beverage is drunk, the unlocking button can be pressed, the locking piece is pushed through the transmission rod, and the cup holder can be unlocked. After the lock groove and the lock head are staggered, the cup stand base can be pushed to move upwards and reset through the reset of the cup stand pressure spring, so that the structure is simple, and the lifting cost is low.