In the process of making a series of special fertilizers, according to different soil conditions and different crops, inorganic nutrients and concentrated organic matter and trace element minerals are added to make the fertilizer contain a variety of nutrients needed for plant growth such as nitrogen, phosphorus, potassium, Sodium, manganese, zinc, copper, etc. According to the formula, the nitrogen, phosphorus, potassium and fermented materials are mixed by computer, and sent to the special granulator for granulation. The formulation of organic and inorganic raw materials is mixed according to different series of products. Mix well in a blender.