As a food additive, food grade potassium citrate can be used to regulate acidity and supplement potassium nutrition; In the pharmaceutical industry, it is used for hypokalemia, potassium deficiency and alkalization of urine, which helps to reduce the acidity of urine and treat kidney diseases and gout; It can also be made into high-efficiency compound fertilizer, and can also be used in papermaking, gold plating and other industries.