1. Fumaric acid used as a food sour, it can replace the malic acid, citric acid, the acidity of 1.5 times for citric acid, and play food preservatives, preservatives, the role of antioxidants. Used as acidity regulator, acidifier, thermal-oxidation additives, salt enhancers, spices;
  2. drinks or gas solid acid agent, the product lasting fine bubbles;
  3. Fumaric acid  is optical bleaching agents and traditional Chinese medicine and fine chemical intermediates. In the pharmaceutical industry, for the antidote Dimercaptosuccinic 2 small red blood cell sodium and treatment of anemia drugs in the production of iron-rich blood;
  4. Fumaric Acid also used in the production of unsaturated polyester resins.