At home and abroad, wood has always been widely used in interior decoration and decoration. It gives people the enjoyment of natural beauty, but also makes the interior space produce warmth and intimacy.In ancient buildings, wood is used as an important material for the decoration of fine wood, which is a kind of art decoration with high technical requirements. (1) Wood flooring Strip wood floor is the most common wood floor used indoors, which is composed of keel, floor and other parts.There are two kinds of floor, one is single-layer and the other is double-layer, the lower layer is wool board, and the surface layer is hardwood lath. The hardwood lath is mostly made of hardwood such as Fraxinus mandshurica, oak, maple, teak and elm, and the single-layer plank is often made of soft wood such as pine and fir.Generally, the width of the strip is not more than 120mm, and the thickness is 20-30mm. The quality plate that is not easy to rot and crack is required. (2) Parquet flooring Parquet flooring is a more advanced interior floor decoration, which can be divided into two types: double-layer and single-layer. The surface layer of both is parquet hardwood layer, and the lower layer is rough board layer.The surface layer parquet boards are mostly hardwood trees with good texture and not easy to decay and crack, such as Fraxinus mandshurica, oak wood, oak wood, elm, Sophora tree and Eucalyptus salicifolia.The fixing method of double-layer parquet floor is to nail the small board on the rough board with concealed nails, while the single-layer parquet floor can adopt suitable bonding materials to directly stick the hardwood panel strip to the concrete base.The size of parquet is generally 250-300 mm in length, 40-60 mm in width, and 20-25 mm in thickness. (3) Wallboard In the room with parquet floor, wooden platform is often used to make the material style of interior space consistent and give people a feeling of harmonious overall landscape.The wallboard can be decorated with wood board, tongue and groove board, plywood, etc. during the design and construction, the drawing can be composed by means of filleting, splicing and inlaying, so as to achieve the purpose of decorating the wall. (4) Wood decorative line Wood decorative line is referred to as wood line.There are many kinds of wood lines, such as stair handrail, pressure side line, wall waist line, ceiling angle line, curved line, hanging mirror line, etc.Various types of wood thread strips have different stereoscopic shapes, and each type of wood thread strip has many cross-section shapes, such as parallel lines, semicircular lines, mahogany lines, dovetail lines, semicircle decorations, tooth shaped decorations, floating decorations, solitary decorations, S-shaped decorations, attachment decorations, tongtooth decorations, cross flower decorations, plum blossom decorations, leaf decoration and carving.The interior of the building is decorated with wooden lines, which can add a simple, elegant and intimate aesthetic feeling.Wood lines are mainly used for interior wall waist decoration, wall opening decoration line, decorative line of wall panel and plinth, door frame decoration line, ceiling decoration angle line, handrail of stair railing, wall hanging painting strip, mirror frame line, doors and windows and furniture of high-speed buildings as well as decorative materials.Especially in the construction of garden buildings and palaces in China, wood line is an indispensable decorative material. (5) Wood Plaid Wooden lattice is a kind of wooden frame made of wood board and Fang wood, which have different sizes or shapes.The wooden pattern has the characteristics of simple processing, light and thin ornaments, clear surface texture and so on.Wooden lattice is mostly used as window, partition and ancient shelf in building. It can adjust interior design style, improve space efficiency and improve interior art quality. (6) Rotary veneer Rotary cutting thin wood is made of colored wood, birch or nodular tree roots as raw materials, after being boiled and softened, it is cut into thin pieces with thickness of about 0.1 mm, and then glued on tough paper (i.e. paper backing) with adhesive to make coiled material.Or, using teak, Fraxinus mandshurica, Eucalyptus Salix and other trees, the thickness of 0.2-0.5mm is made by precise rotary cutting, and the veneer veneer is made by using advanced adhesive technology and adhesive to stick on the plywood substrate.Rotary cutting veneer pattern is beautiful and moving, the wood color is pleasant to the eye, the sense of reality and three-dimensional sense is strong, with the characteristics of natural beauty.The veneer made of tree root nodules has the characteristics of bird's eye pattern, and the decoration effect is better.The veneer is mainly used as the decoration of interior walls, doors, cabinets and other furniture of high-grade buildings.This kind of facing material is widely used in Japan. In addition, there are some small parts of the interior decoration, which are also made of wood, such as window board, curtain box, skirting board and so on. They are connected with the interior floor and wall and set off each other, making the style, material and color of the whole space harmonious and harmonious, thus receiving a good overall decoration effect.