Crystal form of 2-((3-(4-cyanonaphthalene-1-yl)pyridine-4-yl)sulfenyl)-2-methylpropionic sodium propionate

The invention relates to the field of medical chemistry and discloses a crystal form of 2-((3-(4-cyanonaphthalene-1-yl)pyridine-4-yl)sulfenyl)-2-methylpropionic sodium propionate and a preparation method of the crystal form of the 2-((3-(4-cyanonaphthalene-1-yl)pyridine-4-yl)sulfenyl)-2-methylpropionic sodium propionate. According to the crystal form and the preparation method, the preparation technology is simple in process, and the acquired crystal form is high in purity, good in stability and excellent in performance on the aspect of uric acid excretion and can be used for preparing a drug for treating hyperuricemia.