Experienced farmers know that after the purchase of organic fertilizer, through the uniformity and smoothness of fertilizer particles can be seen the production quality of the manufacturer, good quality, good quality organic fertilizer particles can make farmers more favorable, believe the strength of the company, and rough product will make people doubt the authenticity of fertilizer and the reliability of fertilizer efficiency. It can be inferred that the granulation process of organic fertilizer is crucial. The selection of organic fertilizer granulator should also be taken with caution. The choice of granulation method is very important in the production of organic fertilizer. At present, organic fertilizer granulator equipment in the industry mainly includes disc granulator , rotary drum granulator , extrusion granulator and other methods, which have their own advantages and disadvantages. The specific use of which granulation method, or depends on the user's production of raw materials and production requirements for which equipment, do not buy expensive only buy the right, high-quality organic fertilizer granulation equipment can produce more high-quality organic fertilizer. Organic fertilizer granulation equipment is also the most magical part of the organic fertilizer manufacturing process, the early fermentation stirring, organic fertilizer has not yet formed, after the processing of organic fertilizer granulation equipment, out of the organic fertilizer particles, in sharp contrast with the previous, is an important part of the organic fertilizer disintegration process, related to the quality of fertilizer "appearance"