Uses are as follows: **Medicine Field:** It is an important dibasic acid in the tricarboxylic acid cycle and amino acid metabolism, participating in both energy and material metabolism processes within the body, providing nutrition for humans and animals. It is also frequently used as a pharmaceutical intermediate in the synthesis of therapeutic drugs. For example, compounds formed by combining it with certain amino acids may have effects such as improving metabolic functions and enhancing immunity. **Food Field:** It can be added to foods as a nutritional fortifier to help supplement essential nutrients and maintain normal physiological functions. Additionally, it may have flavor-modifying properties, enhancing the taste and aroma of the food. **Fine Chemicals Field:** It plays a crucial role in the production of various fine chemical products, serving as a raw material or intermediate for organic synthesis. In the production of cosmetic ingredients, it can contribute to improving product properties such as moisturizing and antioxidant effects.