Major and difficult cases in Hu Yi County, xi, Shaanxi Province were accepted by Hu Yi Branch of Xi Public Security Bureau. According to relevant data, the predecessor of Hu Yi Branch of Xi Public Security Bureau is Huxian Public Security Bureau. On September 9, 20 17, Huyi District of Xi City was formally established. According to the arrangement of Xi Municipal Party Committee and Municipal Government on the related work of withdrawing counties and setting up districts and the specific work requirements of the municipal organization, Huxian Public Security Bureau was abolished, and Hu Yi Branch of Xi Public Security Bureau was established, which was an agency of the Municipal Public Security Bureau with a division-level organizational system.