The invention discloses an adjustable embroidery stand, comprising two bases which are parallel to each other; the upper surfaces of the bases are respectively provided with a support, and the two supports are respectively vertical to the bases; the side walls of the ends, far away from the bases, of the supports are respectively and rotatably connected with a mounting plate by means of a rotating shaft, and two sliding rods which are parallel to each other are arranged between the two mounting plates; sliding grooves are formed at the sides, far away from the rotating shafts, of the mounting plates; the two ends of the sliding rods are respectively inserted into the sliding grooves and are connected with the sliding grooves in a sliding way; strip-shaped openings communicated with the sliding grooves are formed in the upper surfaces of the mounting plates, and locking screws are respectively arranged in the strip-shaped openings and are respectively connected with the sliding rods by screw threads; rotary slots are formed at the sides, close to the rotating shafts, of the mounting plates, and openings of the rotary slots are formed towards the rotating shafts. The adjustable embroidery stand can adapt to various sizes of embroidered cloth; furthermore, not only are the mounting plates conveniently rotated to a proper angle, but the mounting plates can be also fixed at the positions, so that the mounting plates are prevented from shifting during embroidering, and the quality of an embroidery product is enabled not to be influenced.