The present disclosure provides an equipment and method for measuring weight of instilled liquid crystals, so as to improve the measurement accuracy and the measurement efficiency of the equipment for measuring weight of instilled liquid crystals. The equipment includes a tray having a plurality of holes arranged in a circle and a measuring cup arranged within each hole, a pair of scales arranged below the circle of the holes, and a driving device connected to the tray in a driving manner and configured to drive the tray to move up and down and drive the tray that has moved to a high position to rotate to a position where one measuring cup to be measured is in alignment with the pair of scales.