In October 2021, X Industries Co., Ltd. received a prior notice of administrative penalty and market prohibition from the SFC, and the company's financial statements for two consecutive years were issued with an unavailable audit report by an accounting firm. This article analyzes the main reason for the financial fraud of X Industries Co., Ltd. is the lack of internal control system, therefore, the article analyzes X Industries Co., Ltd. from the perspective of internal control and proposes practical suggestions and measures.