The utility model relates to a volume of impressing adjusting device that is used for dish of cleaned glass base plate to brush, including dish brush (1), this dish brush (1) is installed on set brushsupport (4), and (1) was brushed to this dish brush hair (3) are used for cleaned glass base plate (2), install length indication table support (5) on the dish brush support (4), length indication table (6) is installed on this length indication table support (5), and probe (7) of this length indication table (6) are perpendicular directional glass substrate (2). Through above -mentioned technical scheme, this a volume of impressing adjusting device that is used for dish of cleaned glass base plate to brush who openly provides has the probe with dish brush simultaneous movement, and is fashionable to the glass substrate side pressure when the dish brush, and the probe contacts glass substrate along with it, and the length indication table demonstrates the reading, promptly for the numerical value of a quantity that impresses. Should the volume of impressing adjusting device can accurately read the placing brush numerical value of a quantity that impresses fast, guarantee set brush andbring into play the biggest effect in the cleaning process.