A system of marketing and mass producing customized domestic furniture includes a graphic customizing center and a service center. The graphic customizing center has an electronic database which contains a plurality of domestic floor plans and a plurality of furniture kits, wherein each of the domestic floor plans, which is simulated from a domestic environment to imitate the domestic furniture therein, has a plurality of customized areas preset on the domestic furniture to be customized for generating a plurality of custom made virtual domestic environments. The service center itemizes the furniture kits selected from the virtual domestic environments to mass-order the furniture kits for reducing a cost of the furniture kit in quantity manner.