To provide a filter supporting structure for a beverage extractor which prevents the leakage of steam for a long period and is easy to maintain and to use.

As a means for reducing the clearance between the front/upper surface of a filter 18 and the front/lower surface of the front projection part 16 of the upper part of a beverage extractor main body, the slide contact surface 19a of a guide rail 19 with the filter flange 18 is inclined. Alternatively, a projection part 28b is formed on the side of the flange 28a of the filter 28, the thickness of the flange 34a is gradually reduced from the front part toward the rear part or a projection part 36b is formed on the front part of a guide rail 36.