The invention provides a novel customer information management system, and the system comprises a customer terminal, a security authentication module, an administrator module, an employee module and acustomer module. The customer terminal module facilitates the administrator to log in the management system, and the security authentication module and a client initiate the connection request. The request needs to pass the verification, permission setting and data encryption of the security authentication module, and the user who passes the security authentication can interact with the corresponding module, and respond to the request of the corresponding client. The administrator module achieves the setting of the system and various operations of an enterprise, a customer and an employee. The customer module can check the personal information, modify the password and perform complaining. The customer module comprises a customer classification module, a customer information management module, a business reminding module, a system information module, and a customer positioning module. The beneficial effects of the invention are that the system can be suitable for small and medium-sizedenterprises, is economical, simple and convenient, applicable and easy to maintain, precisely locates the customers, and improves the work efficiency.