Establishing a comprehensive risk management system and establishing a sound and effective internal control mechanism are important conditions for the survival and healthy development of financial enterprises. This paper analyzes the lessons of Société Générale's financial shock in Europe in 2008 due to the serious lack of internal control mechanism; Elaborated on the influencing factors and implementation paths of internal control in the digital intelligence era, pointed out the key points of constructing an internal control system under risk management in the digital intelligence era, and proposed the main methods and six major technologies of internal control in the digital intelligence era; This paper expounds that the audit Digital transformation is conducive to the realization of internal audit objectives and the improvement of internal audit efficiency. This paper introduces the main paths and key points of audit Digital transformation, and points out that intelligent audit is the major trend of future audit development; Introduced the application of digital twins in commercial bank auditing. It points out that the Digital transformation of audit is also the upgrading and transformation of organizations and talents, and it needs to vigorously cultivate and introduce audit professionals to support the smooth completion of the Digital transformation of audit. Financial enterprises should continue to innovate their internal control mechanisms, continuously improve and strengthen their internal control and risk management functions, continuously improve the effectiveness of internal control, and assist in the high-quality development of enterprises.