At present, the most commonly used cartons on the market are the following ones, which are made by using changes in the side flaps and bottoms. The upper and lower incisions are hooked together to form a lock-shaped mouth box: the extension of the side flap is used as a lock-shaped mouth box; Cartons made by using transverse pleats and front wall panels; cartons made by using transverse pleats and extension of front wall panels. Pasting box Pasting box This is a packaging box containing precious products, such as gold and silver jewelry, jewelry, antiques, single pieces of glassware, ceramics and precious medicinal materials. Generally, yellow cardboard is used as lining. Various papers can be used for interior and exterior decoration as needed. Wood chips, metal foil, glass, and cloth can also be used for decoration. Since the paper boxes are not widely used and are individually made by hand, they are expensive. Sister cartons Sister cartons are made by folding two or more cartons of the same shape on a piece of paper. Its shape is quite interesting, cute and warm, suitable for holding gifts and cosmetics. Special-shaped cartons and cartons. Due to changes in the folding line, the structural shape of the box changes, resulting in a variety of strange and interesting special-shaped packaging boxes. For example, changing the fold line of the wall panel surface changes the position of the flap, resulting in a change in the shape of the carton, and changes in the main body of the carton caused by changing the linear position of the carton body; in the carton paper The bottom and top of the box are given arc changes, resulting in changes in the shape of the carton; increasing the number of faces produces changes in the polyhedron: adding wall panels creates a windowed and covered carton; changing the structure of the wall panels Cover carton box. Portable carton carton Portable carton carton This is a carton carton for the convenience of consumers to carry. It must be reasonable to carry: simple and easy to hold, low cost, and the carrying handle must be able to withstand the weight of the product and not hinder storage. , Dui Yi. The most basic form is: the carton and the portable structure are integrated into one piece, and there is no need to stick them during assembly. The portable insertion structure is inserted into a certain part of the carton. This not only strengthens the carton, but also makes the carton internally secure. The handle is divided into two spaces at the front and back. Using these two spaces, a pair of products can be placed. The wall panel can also be extended to make it a portable carrying structure. According to this basic structure, a special-shaped portable carton can be made. Convenient cartons and cartons Cartons and cartons for product packaging and opening functions have been developed in line with changes in circulation. The easy-open structure has been widely used. Since the contents can be taken out with one hand, it has become a popular packaging form for modern consumers. At present, there are several most basic forms: 1. Sewing machine blade. This is the simplest form of opening that is well-known to every household. This kind of sewing machine blade is used in napkin boxes. 2. The zipper structure is widely used. The method of cutting on one side of the carton or around the carton can be used; a structure with both unsealing and resealing properties can also be considered. 3. Nozzle This is the most excellent structure. Peel off the adhesive at a certain part of the carton as a pouring outlet. This form is mostly used for container packaging of food liquids such as milk and beverages, or for drilling holes in a certain part of the box. Use as a pour spout or insert a straw. Expandable cartons: Expandable cartons are a kind of POP carton that allows consumers to quickly find the products they want, promotes sales, and plays a role in advertising. This kind of box can best display the goods, so some cosmetics, glassware and other packaging adopt this structure. Cartons with shelf structure Cartons and cartons with shelf structure have the main function of protecting products. On the basis of using folding boxes, various forms of partitions, shelves, etc. should be considered to put the products away. This is the most effective means of protection for some fragile goods and also has a display effect after opening. In short, the types and packaging design of cartons are the product of a combination of science and artistry. Differences in consumption objects and consumption levels. The requirements for the shape and structure design of cartons are also different. Striving to be beautiful and novel to show the individual characteristics of various commodities is what packaging design should pursue. Reasonable structure and ideal material selection are requirements for protecting goods, being easy to carry, convenient for sales and display, and reducing production costs. These are issues that designers must pay attention to.