Carpenters, also known as "carpenters". People who use hand tools or machine tools to operate in the process of making furniture, door and window frames, or other wooden products. Carpentry is an ancient industry. Wood is used as material, and lines are drawn with a pen, then planes are used to make it flat, and then measured with measuring tools to make various furniture and handicrafts. Carpenters are engaged in a wide range of industries. Not only can they make various furniture, but they are also indispensable in the modern construction industry, decoration industry, advertising industry, etc. For example, in the construction industry, carpenters are used to make indispensable doors and windows. In ancient China, wood has a long history as a building material. Historically, wooden structures have shown a variety of appearances and have been widely used in residential, religious, cultural, and memorial buildings. In addition, wooden structures have also been used in large structures such as bridges. They can be roughly divided into three types: lifting beam type, through-beam type, and well-stem type. Among them, the lifting beam type structure is widely used, followed by the through-beam type, and the well-stem type structure is mostly used in wood-producing areas. In the history of our country, wooden structures have shown various appearances. With the change of dynasties, they have made progress in style and craftsmanship. As a practical building material, wood has condensed countless great human creativity and has become a medium for dialogue between people and the natural environment. Specifically, woodworking construction skills include the production of various types of palace lattice fans and hangings, the production and installation of five-step brackets, the production of space garden wood frames with intersecting oblique beams, and the production and installation of hip-and-gable roofs, which are of great significance to the repair and restoration of existing ancient buildings. As a professional institution for education and training of traditional building restoration skills in the city, Shanghai Real Estate School has a perfect team of inheritors and can undertake project protection work.