The invention discloses a management system of an enterprise sales order, comprising an input module, a temporary storage module, a salesperson information module, a classification unit, a storage module, an after-sales service department, a shipping department, a margin statistics unit, an inventory updating module and a warehouse, wherein the output ends of the input module and the salesperson information module are connected with the input ends of the temporary storage module, and relates to the technical field of an enterprise management system. According to the management system of an enterprise sales order, through the cooperation of the above modules, customer orders can be stored and categorized as a whole, The aggregate stored data can also bind the information for the corresponding salesperson, facilitating salary distribution and performance appraisal, and also making it convenient for after-sales service department to provide after-sales service. The classified data facilitates shipment by shipment department, and the warehouse storage quantity can be updated by using the cooperation of margin statistics unit and inventory update module. The system is simple in composition, high in practicability, and convenient in use.