The invention discloses a device capable of improving the marble grinding work environment and grinding and cleaning a building marble ground better, and relates to a wet type grinding device for a building construction marble ground. The wet type grinding device is characterized in that an annular airbag is arranged at the position of the edge of the bottom of a filter box; the filter box is a round open container; a round through hole is formed in the bottom of the filter box and does not coincide with the circle center of the filter box; a mounting sleeve is arranged at the position of theedge of the round through hole; the height of the mounting sleeve is smaller than that of the filter box; a limiting groove is formed in the side, closest to the inner wall of the filter box, of the mounting sleeve; the corresponding central angle of the limiting groove ranges from 60 degrees to 90 degrees; a water drawing tank is arranged at the middle position of the mounting sleeve and is opposite to the limiting groove; multiple baffles are arranged between the mounting sleeve and the filter box at equal distance and are not attached to the bottom of the filter box; the limiting groove andthe water drawing tank are each correspondingly arranged between the two corresponding adjacent baffles; and two partition plates are symmetrically arranged between the mounting sleeve and the filterbox and are each correspondingly arranged between the two corresponding adjacent baffles.