The invention relates to the valve technical field, namely a valve digital display unit, including a base, wherein a
tine meshing with the gear is arranged at the lower part of the outer surface of the base, and a ring of scale and / or scale valve for indication is arranged on the upper surface of the base, an upper annular boss is formed to contract inwards arranged on the upper part of the outer surface of the base; a large dial, which is a tourus, wherein a scale and / or a scale valve is arranged on the upper surface of the tourus, and a ring of tines meshing with the gear is arranged at the lower part of the tourus; a gear, which is arranged with gear teeth meshing with the tines on the base and the large dial, and the gear is arranged on the side wall of the
handle case through the gear shaft; a
handle case, the superior wall of which is arranged with a
small window for observing the scale and / or the scale valve on the base and the large dial. The invention has the advantages of compact structure, beautiful appearance, accurate figure-reading, convenience, which is suitable for a plurality of valves.