Furniture is composed of four factors: material, structure, appearance and function. Among them, function is the leader and the driving force for the development of furniture; structure is the backbone and the basis for achieving function. These four factors are interrelated and restrict each other. Because furniture is designed and manufactured to meet people's certain material needs and usage purposes, furniture also has factors in terms of materials and appearance. Furniture mostly refers to large items such as wardrobes, tables, beds, sofas and so on. Chapter 18 of Liu Qing's "Bronze Wall and Iron Wall": "A guard with two pieces of furniture carrying a box gun and a carbine came up." Household appliances refer to woodware, including cooking utensils. It is an appliance with functions of sitting, lying, leaning, storing, and spacing used in human daily life and social activities. It is usually composed of several parts and components assembled in a certain manner, and has become an important part of indoor and outdoor decoration. Northern Wei Jia Sixie's "Qi Min Yao Shu" five kinds of Huai Liu Liu Zi Zi Zuo Zuo: "For those who are furniture, the first piece of wood is suitable for planting." It can be seen that since ancient times, Chinese furniture has always used wood as the main material, mainly wood furniture.