Flavoring agent succinic acid in the food industry can be used as A food sour flavor agent used in wine, feed, confectionery and other flavoring food industry can also be used as an amendment flavor substances and antibacterial agents in the medical industry it can be used in the production of sulfonamide, vitamin A, vitamin B and other antispasmodic agents loosening phlegm diuretics and hemostatic drugs as a chemical reagent, used as a standard reagent for alkali measurement  Buffer gas chromatographic contrast samples can also be used as lubricants and surfactant raw materials in the electroplating industry to prevent the dissolution and pitting of metals as surfactant detergent additives and foaming agents.