A custom intent classification operating system including server and client hardware devices, and the operating system installed on the server side, an operating system connects the server end and theclient end hardware device, characterized in that the operating system comprises a service support automation subsystem, a customer self-service subsystem and a customer intention management subsystem, wherein the operating system records customer basic information, customer orders, customer use resources, customer payment status, and communication records between customer and sales, customer service personnel, and is shared by each subsystem. The invention has simple structure and reasonable design. The customer intention classification operating system inputs all the customer information into the system, establishes classification according to the customer intention, conducts unified management, facilitates employees to inquire about the customer information, and can be established as afirst customer, a potential customer, a documentary customer, a intended customer, a transaction customer, which has strong practicability and is suitable for popularization and use.