The invention relates to the technical field of software systems for door and window design, and further discloses a door and window design system based on the double linked list algorithm. The systemcomprises a door and window industry market research and any closed polygonal prefabricated wall body, the content of the door and window industry market research comprises a window type style, an opening style, a material structure, a performance style, a color style, an accessory style, a glass style and the like, market research information is summarized, then the information is summarized through the research information to establish a classification library, and the classification library is defined and priorities are defined. According to the door and window design system based on a double linked list algorithm, the design range of the door and window system is effectively expanded, the application range of the door and window design system is expanded, a designer can visually and effectively observe the overall design style of the door and window and replace and modify the style, the drawing design requirements of related operation designers are effectively reduced, and therefore the cost input of door and window planning design is effectively reduced.