Sodium ferrocyanide has a wide range of uses and applications in many fields of industry and life. In the metallurgical industry, it can be used to refine specific metals, and by means of its specific reaction with metal ions, it can achieve efficient separation and purification of metals, and improve the purity and quality of metal products. In chemical production, as an important additive, it can optimize the performance of chemical products. For example, in the preparation of some pigments, sodium ferrocyanide can adjust the color and stability of pigments, making pigments more vivid and lasting. In the food industry, it plays a unique role and is often used as an anti-caking agent for table salt, preventing salt from caking, maintaining its loose and easy-to-circulate state, and ensuring the convenience of table salt during storage and use. In addition, in the field of medicine, sodium ferrocyanide also participates in the synthesis of some drugs, helping to improve the efficacy and stability of drugs. In short, sodium ferrocyanide plays an indispensable role in many fields due to its diverse properties.