NOVELTY - Method for preparing fertilizer, involves (a) mixing fermenting bacteria with the traditional Chinese medicinal residue, fermenting the mixture at high temperature and obtaining organic fertilizer, (b) mixing calcium superphosphate, humic acid, amino acids and ferrous sulfate, adding monosodium glutamate waste solution to the mixture, adding the processed materials in cement ground and obtaining materials, (c) uniformly mixing the organic fertilizer, additive and acid treated material, adding urea or ammonium sulfate to the mixture and granulating the mixture.    USE - The method is useful for preparing fertilizer for willow (claimed).    ADVANTAGE - The fertilizer obtained by the method enables willow plant to grow in saline-alkaline land.    DETAILED DESCRIPTION - Method for preparing fertilizer, involves (a) uniformly mixing traditional Chinese medicinal residue and ammonium sulfate in the ratio of 20:1, mixing 0.5% of fermenting bacteria with the traditional Chinese medicinal residue, stacking the mixture to obtain height of 1.2-1.5 m and width of 2.5-3 m, covering the mixture with plastic film, fermenting the mixture at high temperature, measuring the temperature in the bag every day, turning the mixture when the temperature raises to 55 degrees C, turning the mixture for first time after five days of fermentation, turning the mixture for second time after fifteen days, completing fermentation at twenty-fifth day, obtaining organic fertilizer, (b) uniformly mixing calcium superphosphate, humic acid containing 70% of more than 60 mesh size particles, amino acids and ferrous sulfate in the ratio of 4:3:2:1, adding monosodium glutamate waste solution to the mixture, adjusting pH of the solution to 3-4, adding the processed materials in cement ground, covering the upper surface of the material using plastic film for 3-5 days and obtaining the materials, (c) uniformly mixing the fermented organic fertilizer and additive in the ratio of 1:1, and mixing the obtained mixture with acid treated material, adjusting the pH of the solution to 3-5, adding (in wt.%): urea or ammonium sulfate (10-40), monoammonium phosphate or diammonium phosphate (15-50), potassium chloride or potassium sulfate (3-10) to the mixture, uniformly stirring the mixture and granulating the mixture.