Large LED dispensing machine of large LED package dispensing machine and universal as can be applied in industry production, if the user needs high quality and high precision production should do the maintenance work for industry production work, only to do the maintenance can make the application effect of LED dispenser further upgrade. When dispensing work is completed, should promptly remove the residual glue LED dispensing machine, avoid the long-term storage and curing, and then remove the dispensing valve and dispensing needle using acetone soaked cleaning, remove the internal long-term adhesion of dust and other foreign matter dispensing, and unplug the power to avoid long-term electricity to LED dispensing machine the service life is reduced, then remove dust because of electrostatic attachment to guide the accumulation, to avoid affecting the dispensing arm running fluency. If we need to carry out body cleaning, we should avoid the use of aggressive cleaning agents and affect the practical effect of body parts. It is better to establish equipment maintenance cycle to enhance the effect of LED dispensing dispensing.