A mangosteen squeezing device comprises a base, wherein a main supporting frame is installed on the base, an arc-shaped fixed plate is installed in the middle of the main supporting frame, the convex surface of the arc-shaped fixed plate is connected with the main supporting frame, a vertically-opened guide cylinder is formed at the upper portion of the main supporting frame, the guide cylinder is located at the upper portion of the arc-shaped fixed plate, an L-shaped side supporting frame is arranged at the side portion of the guide cylinder, an electric extruding push rod is arranged on the side supporting frame, an arc-shaped movable plate is installed on a piston rod of the electric extruding push rod, and the concave surface of the arc-shaped movable plate faces the arc-shaped fixed plate. A turnover plate is hinged to the lower portion of the main supporting frame and is located at the lower portion of the arc-shaped fixed plate, and an electric turnover push rod is arranged between the lower portion of the turnover plate and the main supporting frame. The mangosteen squeezing device can squeeze mangosteens in a batched mode, reduces the labor intensity and meanwhile can prevent the hands from being stained with mangosteen juice.