The two-head automatic quantitative dispensing machine is controlled by a microcomputer and has functions such as automatic measurement, weighing feedback, automatic correction, out-of-tolerance alarm, error counting, keyboard input, etc. The storage hopper is made of corrosion-resistant stainless steel to ensure that the materials are pollution-free. The equipment is equipped with a dual vibrating feeding mechanism, which has the characteristics of high sensitivity, high precision and strong reliability. It can realize quantitative packaging of different specifications and is very suitable for filling uniform granular materials, such as salt, seeds, food, chemical products, etc.