Plant growth promoters with amino acids is natural and safe in crops, With fresh beer yeast puree as raw material,using high biological activity and comprehensive nutrition. It is rich in nitrogen, phosphorus, potassium, small molecular organic matter, amino acids, biochemical fulvic acid, active biological enzymes, and chelated state. Medium trace elements, yeast fermented protein and somatotropin-like, absolutely free of chemically synthesized hormones, non-toxic, non-residual and high safety, is the preferred fertilizer for the production of organic, green and pollution-free agricultural products.