A beverage server with conveniently separable barrel body and base has a barrel body, a base, an upper connecting plate disposed at a bottom surface of the barrel body, and a lower connecting plate disposed at an upper surface of the base. The lower connecting plate and the upper connecting plate are removably connected with each other via a rotary clamping unit. The present invention has a simple structure, and its barrel body and base can be separated without the need of using external assisting tools, and its rotary clamping unit is not easy to fall off and lost, and its rotary clamping unit will not wobble after the barrel body and the base are separated.