The invention discloses a work scheduling assignment method and system. The work scheduling assignment system comprises a plan work obtaining module which is used for obtaining all types of plan workin all business systems through a data interface, a standard quantification module which is used for setting a unified standard for all different planned work businesses and determining a key elementof a single work, and an intelligent dispatching module which is used for carrying out intelligent dispatching on all planned work after the system obtains the information of the on-duty dispatcher. By implementing the work scheduling assignment method and system, the time required for scheduling work assignment is shortened, and the distribution network scheduling work assignment efficiency is improved, and the power supply reliability is improved, and the work intersection is reduced.