The present invention relates to crystalline Form A of obeticholic acid and the preparation method thereof. The present invention provides Form A having characteristic peaks at 2theta value of 4.9 ° ± 0.2 °, 5.2 ° ± 0.2 °, 9.9 ° ± 0.2 °. The present invention provides a novel crystalline form of obeticholic acid, which has good stability, good processability and other favorable properties, is suitable for storage and usage as a final product. In addition, the preparation method is simple, low cost, and has a great value for the future optimization and development of obeticholic acid.
