Many adhesives, sealants, and sealing materials are difficult to prepare and measure. In this case, no compromise should be made, as only using an absolutely uniform and bubble free medium can achieve the best dispensing effect, thereby achieving excellent quality of the workpiece. The vacuum material preparation machine has functions such as vacuum pumping, stirring, heating, circulation, and real-time liquid level display, ensuring that the processed glue is in a homogeneous and bubble free state