Formic acid solution is widely used in livestock feed preservation due to its strong antimicrobial properties, effectively inhibiting the growth of bacteria, mold, and fungi during storage. It is commonly applied in silage production to maintain nutritional quality and extend shelf life. In the leather tanning industry, it adjusts pH levels and improves processing efficiency. It serves as a preservative and disinfectant in beekeeping to control parasitic mites like Varroa. Additionally, it functions as an intermediate in the synthesis of various formate esters and other organic compounds in industrial chemistry. Other applications include textile processing for dyeing and fiber conditioning, food industry as an acidulant and preservative in certain products, and in cleaning formulations for descaling and mineral dissolution.