The office space of an advertising company should have functional spaces such as reception desk, office, accounting room, design and marketing room, engineering office, sample display area, negotiation area, tea room, meeting room and bathroom. Office space refers to the physical and psychological division of layout, pattern and space in the office. There are many problems to be considered in the design of office space, involving many factors such as science, technology, humanities and art. The biggest goal of interior design of office space is to create a comfortable, convenient, hygienic, safe and efficient working environment for staff, so as to maximize their work efficiency and enthusiasm.