Big Enterprise app is an application that provides one-stop cloud training and knowledge management services for enterprises. Developed by Shenzhen Daqi Information Technology Co., Ltd., Big Enterprise app integrates advanced technologies such as mobile Internet, artificial intelligence, cloud computing and big data, aiming to help enterprises realize digital talent training and knowledge management. Enterprise Dayun Learning app has successfully served thousands of enterprises, including Huaan Property Insurance Co., Ltd., China Railway Co., Ltd., Fuanna Household Products Co., Ltd. and Shenzhen Chuanyin Holdings Co., Ltd.. These enterprises have realized online learning, knowledge management system construction and global sales network training for all employees through enterprise Dayun Learning app, which effectively improved learning efficiency, reduced training costs and provided accurate data for performance appraisal.