Furniture refers to the appliances and facilities necessary for human beings to maintain normal life, engage in production practice and carry out social activities. Furniture is also developing and innovating with the times. Up to now, there are many kinds, different materials, complete varieties and different uses. It is an important foundation for establishing working and living space.

The type, quantity, function, form, style, production level and possession of furniture at that time also reflected the social life style, social material civilization level and historical and cultural characteristics of a country and region in a certain historical period. Furniture is the symbol of the development level of social productive forces in a certain historical period in a certain country or region, the epitome of a certain lifestyle and the embodiment of a certain cultural form, so furniture embodies rich and profound sociality.

Structure refers to some combination and connection between materials and components used in furniture, and it is a structural system based on certain use functions. It includes the internal structure and external structure of furniture. Internal structure refers to some combination of furniture parts, which depends on the change of materials and the development of science and technology. Like the traditional tenon joint method, the hardware connection method used in modern panel furniture is internal structure.

In addition, the external structure of furniture is in direct contact with users, which is a direct reflection of appearance, so it must adapt to users in scale, proportion and shape, which is ergonomics. For example, a chair with suitable seat height, depth and backrest inclination can alleviate people's fatigue; Accommodation furniture should be adapted to the scale of the accommodated items on the premise of facilitating users to access the items.